You can ask ChatGPT its opinion about you as HN user, and you will see they trained on the whole content of HN.

I had another experience; even though it roasted me pretty thoroughly, that was only until I turned on web search. Before that, it was just pulling random, plausible shit out of its ass.

https://chatgpt.com/share/682a275e-0cb8-8013-8365-b896bfa171...

Same. I never talked about Rust. It was saying I had opinions about it but I never delivered anything. lol.