[AgentME]

> but he continued to do it. Why do you think that is? I suspect it was because he had control over something and found that too appealing to let go of.

Why do people volunteer on anything online, like open source projects even? Sometimes people like a thing, want to keep it good, and feel that it's less likely to happen without them. Leaving is condemning the thing to possibly get worse and decay through less contribution, and interrupts their social connections formed through it and their established routine that gives the satisfaction of contributing. It's not something easily abandoned after investing years in.