Except that when you are added, you start getting e-mail for commits, the subject line of which for dongml was an ASCII art penis. I'm a mongrel2 contributor and I received a half a dozen ascii art penises in my inbox towards the end of last week. Those were easy enough to filter out, since the subject line contains the project, but then the same guy also initiated a couple pull requests against mongrel2 with ascii art penises. This was clearly abusive behavior, and I'm glad that there are now tools to help prevent it.