That's still manual and minuscule compared to the amount they can gather by scraping.
If blocking really becomes a problem, they can take a page out of Google's playbook[1] and develop a browser extension to scrape page content and in exchange offer some free credits for Chat-GPT or a summarizer type of tool(s). There won't be shortage of users.
Before long people will also continuously use it to watch their screen and act as an assistant, so it can slurp up everything people actually read. People could poison it though with faked browsing of e. G. foreign propaganda stuff made to look like being read from CNN.
