Here's openai and anthropic,
https://help.openai.com/en/articles/5722486-how-your-data-is...
https://privacy.anthropic.com/en/articles/10023580-is-my-dat...
https://privacy.anthropic.com/en/articles/7996868-is-my-data...
and obviously, that doesn't include self-hosted models.
Do you just completely trust them to comply with self imposed rules when there is no way to verify, let alone enforce compliance?
[ ] Don't use
Doesn't mean "don't use," but "don't get caught," it still limits a lot of types of uses and sharing (any with externalities sufficient they might get caught). For example, if personal data was being sold by a data broker and being used by hedge funds to trade, there would be a pretty solid legal case.
I don't understand what you mean
> For example, if personal data was being sold by a data broker and being used by hedge funds to trade
It's pretty easy to buy data from data brokers. I routinely get spam on many channels. I assume that my personal data is being commercialized often. Don't you think that already happens frequently?
I honestly would not put on a textbox on the internet anything I don't assume is becoming public information.
A few months ago some guy found discarded storage devices full of medical data for sale in Belgium. No data that is recorded on media you do not control is safe.