I've had my involvement with the computer underground.
A web site owner published something he really shouldn't have and got hacked. I wound up being a "person of interest" in the resulting FBI investigation because I was the weirdest person in the chat room for the site. I think it drove them crazy I was using Tor so they got somebody to try to entrap me into sharing CP but (1) I'm not interested and (2) know better than that.
That's definitely the most interesting response I've had to this question, thanks for that
Will have to give this a second thought but as a first one now that I read this: ...and would Cloudflare have helped against the FBI, or any foreign nation doing a request with Cloudflare against child porn? Surely not?! A different kind of opsec is surely more relevant there, so I don't know if it's really relevant to "normal", legal self hosting (as opposed to criminal, much less that level of unethical+criminal) communities or if there's an aspect I'm missing here