Hot take/rant time for #ActivityPub with the news that #Meta plans to dip their toe in the water.
I would view Meta as an existential threat to a non-corporate, AP-based #fediverse in large part *because* of the immaturity of and lack of interoperability in the AP spec itself.
Why?
Because when you have that big of a fish involved in your space made up of small players, the big fish gets to set the rules unless you have some pretty strong protections in place.