They did, just like Google and then both companies stopped supporting XMPP - in 2013 and 2014 respectively [1] [1] - https://en.wikipedia.org/wiki/XMPP#Non-nat

They did, just like Google and then both companies stopped supporting XMPP - in 2013 and 2014 respectively [1] [1] - https://en.wikipedia.org/wiki/XMPP#Non-native_deployments https://en.wikipedia.org/wiki/XMPP#Non-native_deployments And thus, Meta cannot be trusted not only because of various privacy issues raised in last days by users regarding its joining fediverse, but also because it's highly possible that once it'll gather enough data and/or capture enough users it'll drop support for ActivityPub