You an expert in psycho analysis as well then.transam doesn't do facts.
He learnt form his uncles and grandad that bigotry and hate is the acceptable behaviour.
He is so devoid of entertainment in his life that he resorts to racial abuse for his amusement.
Although his racial abuse does gain him some approval among his kind. Perhaps that's another reason why he resorts to racial abuse, he gains much-needed approval from a like-minded group.