There has been a lot of chatter about the decision of some instances on Mastodon to pre-emptively block Meta’s purported new ActivityPub-compatible service: Dare Obasanjo: It’s a weird own …
A very detailed article about the whole Meta (Instagram/Threads) vs. Fediverse discussions. It’s a long read, but well-worth it if you’re interested in the subject.
I would be ok with allowing federation until they (inevitably) cause problems.