They identify with him because they are all fifth graders mentally. Most of them are racist townies who never left their sad hometown and dig the folksy lingo and coded racial slurs he peppers throughout his speeches.
Trump has nothing in common at all with any of them. He pissed on people like them all his life from his golden toilet in his Manhattan penthouse. That is until he ran for president and realized that he needed a way to get votes.
Conservatives would probably line up to blow Hitler if he was somehow reanimated and was programmed to tell them what they wanted to hear.