Prigozhin started as a hotdog seller, later owned fancy restaurants, then started Wagner.

If we want to revive Usenet, we need to have a big-name provider offer free access with no strings attached

Like Google Groups?

There’s probably some better way to describe participating in a remote community from one’s local instance, but I don’t know what it is!

I think this could be done from a userscript, but I don't think anyone made one yet.