I’m not going to push anyone who uses a secure decentralized FOSS chat already to signal, but someone who uses telegram/viber/whatsapp is easier to get gradually on signal, which is super low effort compared to the ones you mentioned.
I’ve tried. I’m happy that I got friends and family to move from SMS and WhatsApp to Signal. Some I got to move to e.g. matrix but that’s only a few.
Just my two cents since you asked. I agree with you but I don’t want perfect to be the enemy of good.
I want to play a game. All commit info and branch stats are hidden.