First that instantly popped to mind.
I've been playing a lot of the assassins creed revelations multiplayer since I bought it, and the deathmatch is 8 shades of awesome.
Except for one map, Mt saint Micheal (I think?)
Fuck that map. That's the only map where rooftop runners actually have a reason to do it, so instead of having just one idiot running like a dumbass, you have everyone on the roof.
The reason the roof sucks is in AC:R, you get more points the stealthier your kill is, so what often happens is rooftop runners get the same/more kills but maybe half the points of the top guys. The reason they're annoying is that if you have to kill them, you have to run up there and you don't get that many points because you have to chase (You will inevitably kill them, practically impossible that they escape), and then your pursers have to get up to kill you and it all goes bad. Instead of being a tense stealth game, you have a dumb roof party which completely ruins the game for everyone.
This map rooftop runners almost always get high scores. The main courtyard is completely vulnerable to aerial attacks, the other main area is covered by a wire in the air that you can't hide from, and fuck all happens anywhere else. If you don't roofrun on this map, you're probably fucked, and roofrunning is really, really not fun. The awesome parts of AC:R multiplayer are the sneaking, the backstabbing and tense environment, which running completely ruins.
Grrr....
People treat the multiplayer like the singleplayer. Where you run around and can kill a million people.
No, it's not. It's a different game all together, one of the most interesting multiplayer ever games ever if people play it like it's designed. When you play a game with no roof runners, it is absolutely amazing. You are not Ezio, you are playing a stealth game, not cod. Ruining the experience for others is just dickish, and doesn't even work. 90% of the time, you'll get near last place, you get killed, you get stunned, when you do kill you get literally 1/5 of the points other people do, and you'll probably get killed because you were to obvious.
Wow, I'm such a damn ranter. How did this post get so damn big? I have too much time on my hands :/
To end my ridiculous rant, if you read this and you roofrun in AC:R, stop it. It doesn't work aside from 1 map, it ruins the fun for your pursuer, ruins the fun for the person you're attacking, it's probably not fun for you because you'll get owned, and it just makes the game less enjoyable for everyone. Go play COD if you want to run around like an idiot. This is a stealth game, not a parkour or an action game.