The psychopath objection

Atheist philosopher Erik Wielenberg is currently the leading exponent of secular moral realism. For the philosophically inclined, here's a takedown of his attack on divine command ethics:

http://www.mandm.org.nz/2019/09/the-psychopath-objection-to-divine-command-theory-another-response-to-erik-wielenberg-part-one.html

http://www.mandm.org.nz/2019/09/the-psychopath-objection-to-divine-command-theory-another-response-to-erik-wielenberg-part-two.html

http://www.mandm.org.nz/2019/10/the-psychopath-objection-to-divine-command-theory-another-response-to-erik-wielenberg-part-three.html