I remember trying to convince my friends to switch to Signal several times, and only a few listened. Then Elon publicly endorsed it (back in 2020 or something when a lot of people in my circles still saw him as a hero), and many of my friends joined. Some still use it. but yeah I stopped pushing like long time ago.

Some of my friends are geeks any way so they use it on there own (always brings me joy when i just meet someone and find out they use Signal, not this is how I choose friends though), and I use XMPP as my main messaging protocol (through a public server). But with family, it’s mostly WhatsApp unfortunately.