They don't care
That's the problem: reality has nothing to do with their views of the world whatsoever
We make the mistake constantly of hoping that they'll see reason, when it's not just beyond their tiny little brains, even if they were capable, they choose ignorance and hatred
I'm grateful that I don't live in 'Murica, but my special someone is there and we're working on getting her visa sorted out so that we can get her the fuck out of that uncivilised backwater of a country