Long story short, if I find a game many people enjoy, or if something is against my beliefs, I raid them or rally a group to raid them. Or as previously stated before, it really could be anything.
>>1 Newfag
Please don't use terms like that here. Also to answer your question, the factors involved usually involve something that makes people blow up in a fit of rage over it. See also >>3
But really, raiding is /b/shit and doesn't really belong here.