@ophiocephalic Wait, don't we want instances that we federate with to remove users that don't follow their content guidelines?
I see no problem with Threads imposing their own content policy on their users, and still being able to see/reach/reply between myself and a Threads user, that may see "the Fediverse" as too difficult initially.
That said, if an instance admin really thinks they are protecting their user by blocking Threads, I encourage that, too. I can probably migrate, if needed.