

A server can decide what servers it’s connected to. It can have a blacklist of blocked instances - or even go further and have a whitelist of allowed instances, blocking all else.
Such a feature is necessary to deal with issues like spam instances, or instances that host illegal content.
One of the things I like a lot about lemme.ee is that they have blocked very few instances.
Wtf, are kids 10 and 7 not old enough to walk by themselves to the grocery store now?