Ironically, if you had this for every website, including GitHub and HN, you wouldn't have seen this HN submission / repository :)

That's also true, you gotta fight fire with fire :)

Well, AI flags this content so it's an easy target without heuristics - that's why I've started there.

Need the EU, or California or some other large jurisdiction to create a law requiring identifying labels on all AI content

AI companies would lobby hard against such a law