That's the opposite of what I argued. Holdsworth is the one arguing that the naturalistic atheist can't make sense of morality. My article explains how morality can emerge naturally. See, for instance, the LEGO analogy.

https://medium.com/deconstructing-christianity/even-atheists-can-denounce-evil-0d70720b0f76?sk=6873b3280aa1fdbd3ca14ca5ba5c3b7b