If you boil it down to the AI companies are making money (subscriptions, etc.) based on content they did not pay to produce, then they are profiting from someone else's hard work.
Thats not entirely true. Google might or might not hide your pages from index. They'll definitely going to scrape it anyway. They also display summarized info from your page (famous "what is scrapping" joke showing wikipedias summary). Finally, you might just get your answer without visiting - just by skimming result description.