

Books or audio books on the subject of cults and conspiracy theories help to both understand this and eventually know what to do about it.
Unfortunately, you arguing with them about it most likely did only damage and no good. Stop. It will only make your parents more right wing (and you left) then drive you both crazy.
Here is a good place to start if you like: Hivemind by A.Montell Cultish BA S.cavanagh
Hit me up if you want more. But it’s a complicated subject that can’t be explained in a short lemmy post. If you want any other advice, OP, eatsomeveggies.
I came to the comments for this… I was like “huh… Odd… It doesn’t say that they are a republican. They aren’t a Democrat are they!? Surely if they a Democrat the is story would be everywhere! Can’t be, but better to check and be sure.” haha