This is relevant in light of the fact that accusations have been made concerning a certain poster who has been accused of being a 'bot' infiltrator.
Personally I don't see how AI could be any use whatsoever to a human who can write at least reasonably well.
Ok. Just had AI write a story. My 'prompt': A story about an old man and his dog. Actually it's not too bad. Very 'flowery', with 'windswept moors' and 'gnarled hands coaxing life from the earth', but pretty much what any creative writing course would teach. No grammatical errors either