Once you understand that rich nazis are nazis because that's how they keep burning the planet for profit even as billions die, that's the type of society that allows it, it becomes incredibly easy to understand why the politicians they own, regardless of stated ideological position, are invariably going to turn to fascism. There is more or less no other way to keep doing capitalism on a boiling planet while billions die.
So I'm not that interested in debating which flavor of genocide you prefer