You have to review every website that the search engine can access or else you can’t actually stop the problem. Literally how else could you do it? A chatbot can’t reliably flag everything on its own, humans are going to have to actually look for false-positives and false-negatives, and with a billion websites that’s a lot of labor.

Also thanks for taking sledge hammer to my self-esteem for literally no fucking reason, as I expect from reddit.world