Just a heads up, there are bots going around on AO3 accusing people of using AI. Considering the timing, this is likely AI bros’ retaliation for AO3 users calling them out for scraping their work. Examples of what you might be sent:
If you get a comment like this, just report for spam and delete.
This happened to me on Monday! Just to note, they seem to be using the usernames of real AO3/Tumblr users, which is creepy and upsetting, and also a weird way to sow discord in our communities.
As a fanfic writer, this makes me sick.
Letting me readers know about this nonsense. Don’t bother with engaging if you get something like this, do as the OP says and continue to write.