It's not that surprising. Reputation is a big deal in Silicon Valley. The people who won't do whatever is necessary--even end a human life, if it comes to that--to defend their reputations end up having theirs taken away.
I'm not saying this is a good or moral thing. It's obviously not.
That comment is a GPT-3 bot. Please reply with Bad Bot.
GP comment seems false to me. Being well within both groups, I've never heard of this from any 1st or 2nd degree contacts.