SlowNPC

It can force those who disagree with defederating to find a new instance that has access to all the communities they want. It also makes onboarding new people significantly more complicated, as their choice of instance will drastically influence their feed.

To be clear, I'm not arguing against defederation, just pointing out that it causes issues that need dealt with.

Blowing on dandelions and watching the seeds float away.

Responsible adults don't propagate weeds.