LLM training has nothing in common with search engine web crawlers, from an ethical standpoint.

Web crawlers index your content and direct people to your website, giving the writer some credit (arguably a lot of credit).

LLMs gorge themselves on everything youve ever written in order to improve their ability to regurgitate/mimmick intelligence, while rarely ever giving credit to anyone at all.

I think the ability to block ai from including your work in its training data is important. Pointless? Maybe. But it should be an option for those who feel strongly enough about it.