It is crazy how large of an audience he has. When he clearly worships Trump, his reaction to finding out it was Trump's words said enough. Idol worship is an ugly thing.
Like many other public figures, his rhetoric matches the need for confirmation bias among his listeners. It's a business based on telling your contingency what they want to hear. Cletus and Merle are your football fans for team MAGA. They'll be on your side whether you win or lose.