Hrefna (DHC) on Nostr: "Meta also can’t promise that when you delete a federated post on Threads, it will ...

"Meta also can’t promise that when you delete a federated post on Threads, it will also get deleted on the other platforms it was shared on"

I mean that's just the fediverse in general, especially with how it works today. Even the ActivityPub spec doesn't make a strong statement on how this is supposed to be handled ("should remove it" from public view is not "must delete it").