Also ads in LLM can be perfectly merged with the content, it'd be impossible to know if LLM tells you something because that's the most likely useful answer or the most profitable one for its owners. Can't be just ad-blocked either, it might be the ultimate channel for ads.

> how strong of a moat there actually is for ChatGPT.

None of the above requires OpenAI to be around though. Google, Apple and Microsoft each have much stronger brands, and more importantly they each own large platforms with captive audiences where they can inject their AI before anyone else's and have deeper pockets to subsidize its use if need be. Everywhere OpenAI opens up shop (except for Web) they're in someone else's backyard.