None of those use cases actually require AI, and each of them is potentially undermined by the tendencies of AI to hallucinate, or as yet unresolved legal questions about the copyright status of AI content.
Can you name a use case for which AI was the only or best possible solution?
Very quickly finding texual needles in long-document haystacks. Can't generally do that with a plain text search unless you already know what the needle looks like, and doing it as a human is expensive — see Terry Pratchett's experience with German soup adverts.
Real-time translation within the price constraints of tourists.
Can you name a use case for which AI was the only or best possible solution?