That's the glory of a search engine. You have multiple sources available to review, compare and - with enough experience - learn which sources you can more readily trust than others.

AI offers none of the above. Ask the same question twice in a row, maybe you'll get a different answer, maybe you won't. You won't know which of the two answers are hallucinations, which are true factoids it trained on, and which are bogus things it had been trained on. There's literally no providence for the results- no trail, no references, nothing, because it's really a sophisticated game of "Whose Line" where everything's made up and nothing matters.