Special Crossover Event: Ethics of Using AI in Writing

What (if anything) is the ethical difference for a writer using AI for the following tasks: Proofreading. Editing/resolving problems. Generating ideas, plots, characters, settings, descriptions, figures of speech, or hooks. Writing stories, essays, or poems.
How would you rate these from most ethical to least?
Is AI a threat to writers and others relying on their creative abilities? If so, how/why?
We hope to see you there for a lively discussion and great eats!

This will be a special joint meetup (crossover) with
Central PA Writers’ Workshop Central PA Writers Workshop TM | Meetup