I think you give people too much credit. It isnt a lack of knowledge eon his part, its the fact that he made no attempt at reasoning or logic. Its an emotional response, its necessary because he needs to somehow convince himself that voting for one of the most racist candidates alive was a morally justified act, because otherwise all he did was support one racist over another… no, he NEEDS to lie to himself because he cant stand judging himself honestly by the same standard he has judged so many others by.