Ads in the AI results, obviously. Google is now the king of the the SEO spam website game: plagiarize the info from others, slap ads on it, and profit. That is the purpose of LLMs: end copyright law, but only for the 5 tech companies wealthy enough to run these massive models. The rest of us still have to follow the law, of course.
But they aren't doing this, are they? How can their ads revenue be constant (as per your sibling comment), while nearly 60% of the traffic is gone (as per the article), before such a scheme has rolled out?