What I used to do not so long time ago is go to Call of Duty 4 server, then post: "GW 2 is better fps than CoD 4" if u dont know gw 2 is mmorpg... So a lot of those guys who think they are smart and get the bait screaming GW 2 is not fps its mmorpg... Then they got reply from me : "offcourse GW 2 is fps u only control one person". Now that launches such a reaction u cant even imagine.
But there are a lot of wannabe trolls who go too far and mess around with things they should't, like talking about race,religion, nationality doesn't make u a troll just an asshole (pardon my language)