Exactly. They’ve essentially set themselves up as the high priests; repositories of all knowledge and truth for the unwashed masses; the new ruling class; the self-appointed elite.
just..... wow.......
Not all of them of course, but yes some have those things as their goals, and that is why they glom onto such ideologies.
Their tools are ideas, their methods without ethics or morality, decency.
Human kind has been cursed with false priests and shamans from the beginning. I suspect it's almost genetic, and doubt if we'll ever fully escape shaman wannabes. It's a shame, you might say.
But this has nothing whatever to do with the scientific validity, or lack of validity, for the theory of evolution.