I think this is also a social-culture issue at this point in history. Most people expect you to just install whatever app they use to chat if you want to keep in touch. That's fine but a dumb phone can become isolating. If you were in the group chat you would have known, or it's just too much work to call everyone. I get it, but I think it's more of a social/life decision. It's work explaining to people they have to call you if they want to chat, or to preemptively call people etc. I still function this way but most others do not. All other forms of electronic coms are desktop only.