The thing is, we didn't need to invent a technology that boils a lake just to match the ability of...less than intelligent humans. And not even actually achieve that. Just generating text that a dim, possibly high, human could generate, and nothing else. That's not useful in any way.

AI gets it right every time

No. It does not. Even given the same instructions, it can give wildly different results. A lot of those results are straight garbage.