Since community members joined slowly and stuck around, there was a lot of trust and shared context in the group. Every community had a different way of working, so there was a fair amount of friction preventing users from jumping around or “surfing” from project to project.
A phrase I heard recently and found useful: I agree with the idea, but I disagree with the tone.
Many ideas get dismissed because they are delivered in a cocky or hostile or dismissive tone—or because of who delivers them.
Separate substance from style.