A couple of months ago I wrote a nonconfrontational email to a large art organisation flagging some issues with proprietary and commercial technologies that they use day-to-day. I suggested small changes, like using Jitsi sometimes, or migrating from Gmail.
One of their coordinators wrote back warmly and invited me to be part of forming a steering group. They said that they had identified this knowledge gap but didn't know how to address it, and were grateful for recommendations and insights.
This is a great listen on the origins of Dublin punk