Your solution is a very interesting take on the issue, and it is definitely worth giving it a try.

It reminds me of Aether (https://getaether.net/) which has an interesting moderation process: Everyone receives all the content, and some mods also distribute a list of what should be hidden. This keeps the traditional system of human moderation, which will tend to become monopolized by a group of people, but this group of people must do what the users want because it is really easy to demote them. It's not exactly multi-centralization as you define in your article but rather centralization with a very powerful check