no, they’re not the majority. But anger gets people to the polls more effectively than anything else. That coupled with the gerrymandering the US system is plagued with means that a minority can grab majority power.

Because they remember their countries when they were bigoted as hell and the only people they saw were people like them and they want that back. They want the bigotry, discrimination etc. They don’t want to have to think about non white people, LGBT people, non christian people and so on. If you look at the UK the most right wing places are the whitest straightest places. They are worried that will change!