Meta just announced that they are trying to integrate Threads with ActivityPub (Mastodon, Lemmy, etc.). We need to defederate them if we want to avoid them pushing their crap into fediverse.
If you’re a server admin, please defederate Meta’s domain “threads.net”
If you don’t run your own server, please ask your server admin to defederate “threads.net”.
People have been writing about this ad nauseum. It’s the embrace, extend, extinguish strategy. Join fediverse, extend the spec with so that not all clients are compatible with all features, repeat as necessary until everyone is using your client, finally drop compatibility with other clients.