It's funny you say that because research shows that conservatives are more likely to be close minded and lack critical thinking skills, and more likely to be controlled by fear.
All Republicans have to do is bring out another bogeyman and their voters will be up in arms until the next bogeyman is brought out. Immigrants, Muslims, trans people, liberals, atheists, democrats, black people, it's just a rotating list of scapegoats.
Meanwhile, the Republican politicians who are slashing benefits and healthcare sit back and laugh because their voters never figure out who is really making their lives worse.