don't hide community behind walled gardens

dear open source community, please don't hide your community behind walled gardens. the past few years, more and more communities have moved their communities to platforms like Discord and Slack. many have valid arguments for this move, e.g. "it's one of the easiest platforms to use", "people don't use IRC channels/Matrix/XMPP/etc.", "lower friction/barrier to entry for users", and so on. starting…