What do you think it is about human nature that causes the eternal September effect?
there's an interesting essay on internet communities called 'otters v possums' (I'd link it if I could). Basically the ideas that there are groups of people with strong opinions who prefer to keep community cultures niche. They build said culture, and it becomes successful and fun, which attracts the type who dont care as much about keeping that culture consistent. Eventually, theres a critical mass of people who aren't there for the same reasons as the founders
That makes some sense, I think. I also think it's worth noting that I would never feel the urge to make a thread like this on reddit. Things feel very intimate right now, like talking with a group of friends I haven't yet made.