It’s the cult-of-personality thing. He could drop his pants on stage and his fans would cheer, talking about “Not a politician...sticking it to the elites...breath of fresh air...” ad nauseum.
;)
There is truth to what you say. There is a cult of personality growing around DT. No matter how outrageous, crude, vulgar, and crass his comments are, his followers find it somehow endearing.