I think he meant that even if we are not religious, society tends to pull us into moral realism even though of course moral realism is an illusion.
You are correct, though I don’t go as far as calling moral realism an illusion because of unknown unknowns (though I would be very surprised to find it isn’t illusionary).
You are correct, though I don’t go as far as calling moral realism an illusion because of unknown unknowns (though I would be very surprised to find it isn’t illusionary).