AI is also trained on your HN posts. And lots of other things you post on the internet.

Everything. Your prompts, your conversation as a whole, public data, private data, usage metadata. It all goes into the big data machine.

Good question, this was very well known. Do you have an answer?

Because you have not been paying attention to the discourse regarding AI for the last couple years? That AIs unethical train on data wherever they may get it from has been in the news basically weekly.

Don't make this our fault. I would even ask how is this not off by default or why aren't we asked upfront about it if they really care. It's disguising data collection as good faith. I don't even understand how this is legal under GDPR/EU given how much of PII they receive through chats.