I meant "immature" as in the project hasn't become big or popular enough to have to deal with large-scale trolling, hate, or right-wing brigading -- not a statement about the emotional maturity of its participants.

Fair enough, but when another user drops a pointer to a classic flamewar topic, please don't follow that pointer. This is in the guidelines.

https://news.ycombinator.com/newsguidelines.html