Yeah again, assuming everything is kosher on your instance, they can only scoop up what your instance, and you, make available.

Anything you make publicly available should be considered to be immortalized. Forever.

But with the advent of a hundred different websites like archive.org and now all these AI sites, you should assume that about the whole internet, I suppose.

I wish there was a truly private social media but it looks like Signal stories is about as close as we get.