For my part, I don't have buy in yet (Because I'm not convinced Matrix is ready) but I think I could get it. I have 7 or 8 friends who do not use Discord except to talk with me and a few other friends that I know can be convinced to at least start using Element next to Discord. Once I feel like my homeserver is in a state that I can invite these non-technical people in, I'll be in the same place.