The problem with saying someone is "brainwashed"

Grab some headphones: I'm releasing serialized audio commentary for my book, Cultish. Here's Part 5.

Welcome back, ~followers~, to part 5 of my Cultish audiobook commentary series. Today, I’m reading aloud the part of the book where I chronicle the complex histories and connotations of the words “cult” and “brainwashing”... plus, some unexpected controversies that emerged as a result of my wiggly interpretation of these terms. Inevitably, where there are cults, there is drama!!