I can, but there often enough changes I need that are easier edited by hand. Not that the skill is in applying a diff from brain to file - the skill I'm paid for is identifying that such a change is required in the first place.

I agree - let's wait and see. I think the outcome of prompting a model will vary wildly depending on who is doing the prompting. Natural language can only get you so far. And if I'm wrong - oh well, I guess I'll need to uproot my life.