I’ll go: they hate non-white people so much that it clouds their ability to think rationally about tomorrow. They don’t care if their own grandchildren suffer in the waste lands as long as non-white people suffer more.
It's all about punishing the people they don't like. Women, minorities, immigrants, LGBTQ+, non-Christians and all of their allies. As long as the GOP keeps the cruelty and punishment flowing full steam ahead against those specific groups, they'll keep voting for them. Even against their own best interests. It's ALL about the cruelty and punishment for them.