A- Not so. If the human does not consciously nor subconsciously care about deterrent, evolutionary reasons are irrelevant.

B- Only if, and this is a big if, you agree with the Elizier-Harris school of thought which say some things are morally true by definition. Because Harris agrees with him, I was granting him that as his own unique idea of what being moral is. However, at that point I was concerned with demonstrating morality cannot fit as a subcategory of science.

C- Harris appears to claim that there is a scientific basis for valuing wellbeing- he repudiates the hypothesis that there is none explicitly by claiming it comparable to the claim there is no scientific basis for valuing health.