I don't know if I'm among the ones this is a subtext towards, but, personally, I was indeed trying to learn more about it and whether it was centralizing.
(I personally don't use Primal, so this probably wasn't about me).
Discussion
in the social media context, if things are decentralized, they are:
- able to talk with each other (note: depending on how it technically works)
- able to be hosted by individuals or groups without limitations on configurations & etc.
- able to set their frontend to be able to connect to requested server
and that's what i could tell so far.