I know that, in my mind the algorythm or maybe better to said the algorythm's parameters run on client side, no need to create a Fediverse instance on client side.
We can already to something a bit like that with word filters.
Because of the fediverse partial mesh, leading to incomplete timeline view, or inconsistency depending the instance you’re on.
People tend to flock on primary, massive instances because they are well know of course, but also because this is where you have the most complete view, and from there your posts reaches many other instances.
Loved my pebble watch, got burned with kickstarter campaign for pebble 2 (bid lost money gone when it was cancelled because fibbit taking over right at this moment).
Since then I went back to Casio and will not look at a computer on a wrist anymore, not even Apple Watch or repebble.
See it wasn't that hard: