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.
Well, don't we have enough Acme Corporations in the world that were unprofitable and existed purely on VC life support before they killed off all the competition by dumping the prices, and then made them skyrocket to recoup investments and become profitable after becoming monopolists?
People at these companies are receiving a salary to do these things that the person you're responding to is opposed to.
While not all the companies in question may or may not be profiting from these things some of them are, and most if not all of their employees certainly are as well.
Are they?