Yeah, it does acknowledge that it still exists and has a solid community at the very bottom.
I do excuse it, it's an article from an insider with an axe to grind that is bummed out that the Google integration didn't make them win the IM wars and that Google was bad at supporting a secondary app, as they do. That's legit.
But as a breakdown for a mallicious plan from Meta to "EEE" ActivityPub... well, it's not even pretending to be that.