Wasn't there also weird behaviors reported by webadmins across the world, like crawlers used by LLM companies are fetching evergreen data ad nauseum or somethin

Wasn't there also weird behaviors reported by webadmins across the world, like crawlers used by LLM companies are fetching evergreen data ad nauseum or something along that? I thought the point of adding PoW than just blocking them was to convince them to at least do it right.