Evolved Irony

As I looked through the local used bookstore yesterday, I found a copy of Jerry A. Coyne’s book Why Evolution is True ((2009). New York: Viking). The jacket flap contained praise from Edward O. Wilson, Christopher Hitchens, Steven Pinker, and Richard Dawkins, all assuring me that this book is extremely brilliant and devastating to those who would deny evolution. If you are familiar with the boasts of Darwinists, you’ll know how empty those promises are. But I figured it was only $9.98, so I might as well look at it.

While I have only just started it, the book has thus far been underwhelming. The introduction simply asserts repeatedly that evolution is true and only fundamentalists don’t believe it. For example (all italics mine):

What [Dover trial Judge] Jones had done was imply prevent an established truth from being muddled by biased and dogmatic opponents (xiii).

But evolution is far more than a “theory,” let alone a theory in crisis. Evolution is a fact (xiii).

…this volume gives a succinct summary of why modern science recognizes evolution as true (xiv).

Evolution gives us the true account of our origins, replacing the myths that satisfied us for thousands of years (xv).

But it is more than just a good theory, or even a beautiful one. It also happens to be true (xvi).

Indeed, if ever there was a time when Darwinism was “just a theory,” or was “in crisis,” it was the latter half of the nineteenth century, when evidence for the mechanism of evolution was not clear, and the means by which it worked—genetics—was still obscure. This was all sorted out in the first few decades of the twentieth century… (xvii).

True, evolution is as solidly established as any scientific fact (it is, as we will learn, more than “just a theory”), and scientists need no more convincing (xvii).

In 2006, for example, adults in thirty-two countries were asked to respond to the assertion “Human beings, as we know them, developed from earlier species of animals,” by answering whether they considered it true, false, or were unsure. Now, this statement is flatly true… (xviii).

Why teach a discredited, religiously based theory, even one widely believed, alongside a theory so obviously true? (xix).

My first through reading all that was: “The gentleman doth protest too much.” But the above isn’t why I wrote this post. Instead, I want to move on to one of Coyne’s analogies. Coyne writes:

Starting with the Swedish botanist Carl Linnaeus in 1635, biologists began classifying animals and plants, discovering that they consistently fell into what was called a “natural” classification. Strikingly, different biologists came up with nearly identical groupings. This means that these groupings are not subjective artifacts of a human need to classify, but tell us something real and fundamental about nature. But nobody knew what that something was until Darwin came along and showed that the nested arrangement of life is precisely what evolution predicts. Creatures with recent common ancestors share many traits, while those whose common ancestors lay in the distant past are more dissimilar. The “natural” classification is itself strong evidence for evolution.

Why? Because we don’t see such a nested arrangement if we’re trying to arrange objects that haven’t arisen by an evolutionary process of splitting and descent. Take cardboard books of matches, which I used to collect. They don’t fall into a natural classification in the same way as living species. You could, for example, sort matchbooks hierarchically beginning with size, and then by country within size, color within country, and so on. Or you could start with the type of product advertised, sorting thereafter by color and then by date. There are many ways to order them, and everyone will do it differently. There is no sorting system that all collectors agree on. This is because rather than evolving, so that each matchbook gives rise to another that is only slightly different, each design was created from scratch by human whim.

Matchbooks resemble the kinds of creatures expected under a creationist explanation of life. In such a case, organisms would not have common ancestry, but would simply result from an instantaneous creation of forms designed de novo to fit their environments. Under this scenario, we wouldn’t expect to see species falling into a nested hierarchy of forms that is recognized by all biologists (pp. 9-10).

Of course, Coyne’s entire premise is false. First off, it is not at all surprising that biologists tend to classify animals similarly when you realize that they are classifying animals for similar reasons. After all, Coyne makes a big deal about how you can sort matchbooks by “size” or “color” seeming to forget that there’s nothing stopping biologists from arranging animals by size or color too. But biologists don’t do that. Why? Because when they begin their classification, they start with the assumption that the animals are related, and then sort based on those assumptions. They are not looking to classify by size; they are looking to classify by how organisms are related.

I daresay that if you hand several matchbooks to various random collectors and tell them, “These are all related to each other and we want to see if you can find out how” they will come up with many arrangements that are similar to each other. Similarity in organization does not, as Coyne claims, prove these classifications “are not subjective artifacts of a human need to classify.” That would only be true if each person came to classification without any prior concept of how they should be classified and still classified everything the same way. Furthermore, there are lots of dissimilarities in various classification schemes that are simply glossed over here by Coyne.

Coyne is also in error when he says “we don’t see such a nested arrangement if we’re trying to arrange objects that haven’t arisen by an evolutionary process of splitting and descent.” Has Coyne never seen a fractal, used a computer, or examined the management of a corporation? We see hierarchical sorting and nested arrangement all the time in intelligently created processes and objects.

Consider computer programs in more detail. With the advent of object oriented programming, the structure of all but the simplest of programs must be hierarchical. It is the most efficient means of writing complex programs across multiple platforms by hundreds of different programmers.

Furthermore, computer programs will often use the exact same libraries. Not because one program evolved from another, but because someone designed a bit of code that performed a specific function useful in many different applications, so the code snippet gets put in a library for other programmers to use. Entire modules can be created in the same way, and various different programs assembled from these modules. If someone was not aware that the programs were designed that way, it would be quite facile for someone to imagine the programs came about by descent with modification instead of being tailor made from bits of previously designed code. The evidence would seem compelling, but only because one starts off with the assumption that intelligence is not involved.

Coyne also has the following endnote that damages his matchbook analogy:

Unlike matchbooks, human languages do fall into a nested hierarchy, with some (like English and German) resembling each other far more than they do others (e.g., Chinese). You can, in fact, construct an evolutionary tree of languages based on the similarity of words and grammar. The reason languages can be so arranged is because they underwent their own form of evolution, changing gradually through time and diverging as people moved to new regions and lost contact with one another. Like species, languages have speciation and common ancestry. It was Darwin who first noticed this analogy (endnote 2, p. 235).

That’s right, after telling us that the nested arrangement proves that species were not created, Coyne shows a nested hierarchy of language. Yes, language. One of the indicators of intelligence. Talk about evolved irony!

Even if we agree with Coyne that language shows a “form of evolution” that form of evolution is most certainly NOT Darwinist. There are no random mutations followed by survival of the fittest; there is instead intelligent agents tinkering with their language. To the extent that language is an analogy of evolution, it is an analogy of theistic evolution, not Darwinism.

Thus far, Coyne’s arguments are far from persuasive. Indeed, Coyne seems to operate from a very simplistic viewpoint. He seems to believe that anything that indicates evolution must be proof of Darwinism, when in fact Darwinism is not the only theory of evolution (indeed, no one believes in Darwin’s Darwinism these days). Furthermore, Coyne seems to think that anything that looks like evolution cannot be equally explained by intelligent design either. Both of these flaws render his arguments considerably less than sound.

Perhaps he will improve as I get further in the book. But given past experience reading all the other “definitive” books on Darwinism, I won’t be holding my breath.