...Data that is kept can be exfiltrated.
Cannot emphasize this enough. If your psychologist’s records can be held for ransom, surely your ChatGPT queries will end up on the internet someday.
Do search engine companies have this requirement as well? I remember back in the old days deanonymizing “anonymous” query logs was interesting. I can’t imagine there’s any secrecy left today.
I recently had a high school assignment document get posted on a bunch of sites that sell homework help. As far as I know that document was only ever submitted directly to the assignment upload page. So somewhere along the line, I suspect on the plagiarism checker service, there was a hack and then 10 years later some random school assignment with my name on it is all over the place.