One flaw of the LLMs I've used: they will never give you harsh criticism. While it would be nice to think all my writing is just that good, I know there are no circumstances where someone will ask for feedback and it will say “throw the whole thing out and start again.”
There is, I think, a serious hazard to the customer service mindset of interactive AI and the lack of dignity built into the system.
i-am-j.ag/blog/posts/a...
Back in the 60s and 70s people used the I Ching and sun sign horoscopes for this sort of writing aid. I can see it functioning as a rubber duck, but a rubber duck that cost several million dollars and thousands of kW-Hr to generate.
From what I've seen from people trying to edit with OpenAI, it mostly can only spit out rote writing advice and given the power to rewrite, can only make your writing mediocre.
There may be a silly politeness benchmark they use for "safety", but it's more likely that sincere criticism is just not available on public websites to easily plagiarize
Some AI person had a suggestion on the Hard Fork podcast about how to get around this but I forget what format the prompt took and haven't tried it out myself.