I agree, building a community is very difficult, I've built a few myself. But sometimes something merely existing can prevent other things from flourishing, e.

I agree, building a community is very difficult, I've built a few myself. But sometimes something merely existing can prevent other things from flourishing, e.g. due to the mechanism of Schelling points: https://en.wikipedia.org/wiki/Schelling_point https://en.wikipedia.org/wiki/Schelling_point