Some people will get furious about this, others may get happily excited. Whatever you feel about #Threads integrating with ActivityPub (the "Fediverse"), don't @ me. I'm just posting a Fediverse-related news article. I'm a messenger.
Furthermore, I've seen all the posts already, positive and negative.
https://www.theverge.com/24106231/threads-fediverse-demo-meta-fediforum