How's this better than Matrix?

(Not a leading question. I haven't used Discord/Matrix/etc. more than a handful of times and don't know what I don't know.)

Does Matrix have the equivalent of voice chat rooms that Discord has? I find as a user of Discord that being able to see who's just hanging out is the killer feature there. (As are things like game streaming and bots, ofc)

$5/user/month = no way in hell I can get all my friends on board to use it. Impossible to get network effects going like that, as much as I wanted to try it.

It looks like it's a b2b app anyway

It's $0/user/infinity if you host your own Matrix server[0]. You don't have that option with Discord. Your data will remain with discord servers.

Element is hardly b2b lol.

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[0]: https://matrix.org/

A good starting point if you're tech literate is this:

https://github.com/spantaleev/matrix-docker-ansible-deploy