Maybe even Ads trained into the AI itself?

Exactly. It's so trivially obvious I'm not sure why it's not more often remarked.

What's better than organic-looking ad insertions into results?

LLMs smart enough to invisibly weave ad buys into their results.

"What's the best ___?" -> $$$

> Ads in the AI overview. That's always been the endgame for them here.

The fundamental problem of ads is that they sell other things than we need. LLMs won't change that.

I wouldn't doubt that's the goal, though it seems risky. There's a fair chance the LLM could hallucinate details about your product and lead to it falsely advertising. Given Gemini's history recommending people eat glue, among other things, I wouldn't trust it with that responsibility.