(This post is pursuant to a discussion on twitter.)
Amongst humans, centralized communication, centralized knowledge, centralized control, and centralized power seem to go together. That makes sense, as a lot of what Power is, in these times, is the ability to define what's acceptable discourse: what things are worth talking about, and how they should be talked about.
My history with Power has not been good. I tend to be the person talking about the wrong thing, often in the wrong way.
Therefore, in any group I will tend do better if there's less centralization1.
So my bias toward