I just watched it. I like the idea of #XMPP, but had some trouble setting up a server with a certificate for encrypted messaging.
Here's the video on LBRY:
Luke Smith : Matrix vs. XMPP: Which is Better for Actually Secure Messaging? (Unlike Telegram, Whatsapp, etc.)
Lisbon court rules only 0.9% of ‘verified cases’ died of COVID, numbering 152, not 17,000 claimed