I gave up coding back in the 80s, so I can't insightfully comment on code. Is what you're describing close to the structure they're calling 'federated'?

I'm using some pretty awful sites right now, so if I (suddenly went retarded and) wanted to start and operate a new freer speech site of my own, this code we're using right now would work for me. But I have no interest in the kind of grief one obtains from running a free speech commenting site.

Jason gave me a link recently to a forum site called something like FOSSadon (sp?), which is somehow a part of a social media site called Mastodon. (https://joinmastodon.org/) Anyway, this particular section/forum part of that network had a whole list of other parts of the network they were blocking. "You can't get there from here" kind of thing. Because the others were Nazis, insensitive, allowed free speech, and similar offenses. Was interesting to see how the battle over free speech had divided the network.