Earlier quoted context omitted.
signal and telegram are a no brainer when it comes to totalitarian regimes. i live in Kashmir which has historically and continues to hunt down dissidents with agility. i cannot imagine being tied to my "mobile number" when the government has that data by law, tying a telegram/signal account to it is a gone case by that point. people who go with signal call it "better whatsapp without facebook tracking" but just like…
You can't have a Telegram account without a phone number, can you? So the difference is merely whether it's your user identifier?
that is what i wrote. matrix does not by design force users to submit a mobile number while everyone else does because they want to use that for social graph, etc etc.