Yes, I agree that AI can help to teach people the (important) basics of the technical sides of writing! I think where AI will continue falling short is the aspect of writing (even research writing) that leans heavily on emotional nuance and a human sense of "how life works."

For instance, today, I was remembering a time when a client (ESL writer) was using the word "erotic" where "intimate" was the far more appropriate choice. It felt like a fascinating and compelling example for why humans are still useful: a machine wouldn't have had any reason to question the use of "erotic" and would've just let it fly — but as a human with a sense of the background context, something about the word "erotic" raised a flag for me, and after some back-and-forth, I realized that "erotic" didn't exactly mean what the client initially thought it did.

In this regard, people will continue being limited by their own language proficiency and (if native-speaker writers) emotional intelligence and will still need human editors.

For how long, though, is anyone's guess. ;)