Don't know who that is
Varies, if I'm gaming then it's people who are either being disruptive, purposely barring progress, team killers, and trolls. If I'm working on something it's people being disruptive, or telling me I'm doing it wrong and not trying to help with the project, or just laying about when their supposed to be helping.
...that is some of my favorite cereal, yes I see the appeal.