I'd say uneducated, unsuccessful bitter racist
white -
trash fundamentalists (who are all about as sharp as a marble) are always the ones drawn to the KKK, John Birch, and fundamentalist «churches»... they're
easy to amp up with hatred of a common enemy... which is what you see «churches» like Westboro Blabtist do... just look at the combination of zeal and hatred in their faces when they're on the news.