Non-federated instances are a feature, not a bug

Sometimes, you just want to connect to your peers, and only your peers. Being able to do so without accidentally the world is a good thing; compare randos dropping into mentions on the bird site.

Or, better yet: imagine a neighborhood instance, where people from a certain geographical are coordinate stuff.

Different usecases, different needs to federate

@Sargoth also, federation could be similarly structured to RL social networks - many local connections within a community, a few members building connections between communities. Having more options for the topology of the network is a good thing.
@Sargoth They're the cul-de-sacs of the federation!
@Sargoth
without equating Spacebook with these sorts of federated services