Except this preticular discussion thread isn’t about Discord used as documentation, but Discord use in general as a videoconferencing tool. I also imagine the project started using Discord for conferencing, and documentation grew up around it because everyone was already there, emulation is very finicky, and it wasn’t out in the open for Nintendo to find indexed by Google. They could have used Jitsi, and the same thing would have happened.

A video conferencing program like Discord is hardly the first or best place to put software documentation, but in this case it being hard to find was presumably the point.

It also seems odd to insist that Capitalism doesn’t allow Jitsi, Matrix, or XMPP to exist, when they and many other open source projects do. Jitsi is owned by a major cooperation, but Matrix and XMPP arn’t to my knowledge. Rough around the edges and in need of significant work, yes, but not prevented from ever exsisting.

Video, voice, and text messaging are together the signifiant part of Discord as you put it, it doesn’t make sense in order to split them apart any further.