Adam Mosseri:
Second, threads posted by me and a few members of the Threads team will be available on other fediverse platforms like Mastodon starting this week. This test is a small but meaningful step towards making Threads interoperable with other apps using ActivityPub — we’re committed to doing this so that people can find community and engage with the content most relevant to them, no matter what app they use.
Let’s apply Occam’s Razor. We all created these juggernaut social media vampires in the 2000s as an alternative to isolated forums and the first federation attempts with Webrings. When it started, Facebook was a good thing.
He could simply be repeating the same mistake the entire internet did by embracing monolithic social media sites in the first place.