This is one of my favorite podcast episodes of all time, came up in a random article:
https://www.youtube.com/watch?v=zvITy3rTfyM
It's long, and CW: Abusive Religious Cult and whatnot, but... If you can stand to listen to Andy Daly pretend to be a scumbag like L. Ron Hubbard for an hour, you'll get a pretty damn funny crash course in how narcissists manipulate language and history.
It feels pretty timely.