@mialikescoffee that just means a few very large instances are federating with threads and a large number of smaller instances are defederating or limited.
In other words, it’s a representation of the real world where a large majority of people just follow trends set by people of influence and are content with just belonging, and many different minority groups are trying to loosely hang together to form a defense against their complete eradication by the enormous majority’s inertia.