She went undercover online for a year and wrote about fascist nazi white supremacist fucks from the inside. I'd already bought the book after hearing her interviewed on another podcast, but she essentially told Briahna Joy Gray to shove it when she (Brie) wouldn't stop pestering her (Talia) about shit she'd already declared settled in an interview. This was on Bad Faith podcast and walked out. I was so impressed that I grabbed the book off the table and went to a park and started reading immediately. It was excellent.
Punch a nazi was her primary message as she ended the interview.