[Xeophon]

There are already some instances which are defederating, see [0] for a write-up

[0] https://daringfireball.net/2023/06/more_on_preemptively_bloc...

[aendruk]

This instance has a good write-up of their position:

https://about.scicomm.xyz/doku.php?id=blog:2023:0625_meta_on...