What he is saying with a lot of this is that folks with primitive egos, lacking intellect, once they latch on to an idea can never let go, often trapping them forever down dead end alleys of perception. The pure ego can’t stand change and will never admit that it may be wrong. It’s the essence of the true believer fanatic.
Trump is never wrong and he is always a winner, so says his monstrous ego. This is precisely what makes him so dangerous.