Plus he goes against the root core of their leftist ideological programming that functions -- for vast numbers of them -- as their faith-based religious beliefs, and so their visceral and feral reaction is non-thinking hatred.
Yes but what they do have is an overabundance of self-centered and thoroughly indoctrinated sheeple that will buy anything their leadership offers as an empty promise.
WHY DO PEOPLE HATE TRUMP? HE EXPOSED THEM. THE LEFT LIED, CHEATED, PERSECUTED AND EVEN TRIED TO KILL HIM AND HE STILL MAKES THEM LOOK PETTY, PHYSICALLY AND MENTALLY WEAK AND INEFFECTIVE.