Fragmentation is a problem that solves itself, though. People tend to preferentially attach to larger communities and small communities tend to evaporate into a

Fragmentation is a problem that solves itself, though. People tend to preferentially attach to larger communities and small communities tend to evaporate into a "hard core" of very dedicated people. If you look at the market as a whole, Java, JS, C# and other mainstream stuff is still most of everything. Whether that's good or not is a different issue.