OpenAI helped out a mass shooter in Tumbler Ridge, plus all the suicides
Anthropic training on CoT for multi gens: https://www.lesswrong.com/posts/K8FxfK9GmJfiAhgcT/anthropic-...
Can't find anything specifically about the Gemini issue being a training data contamination, but the depression was real:
https://www.businessinsider.com/gemini-self-loathing-i-am-a-...
I think the Gemini depression being persisted across gens via training data was a HN comment I can't find anymore, no strong source.