Snipers and pilots, the biggest bunch of dicks in this game. I often play recon, but I'm all over flags like it's going out of fashion. Most snipers will sit a bazillion miles away from a flag and pot shot in the hope they kill something.
Pilots just get in jets and fly around. That's it. They fight each other and contribute fuckall to the team. A decent chopper crew can do some serious damage but the jets serve no purpose whatsoever.
One thing that pisses me off about this game is how hard it is to take down aircraft. We should have a lock-on launcher that doesn't need laser designating, or at least a heat seaker or something. Too often you get some dick who's level 100 just flying around in a jet all game shooting everything they find, and you'll never, ever encounter them on foot. If we had some way to shoot them down, it'd be brilliant. It doesn't have to be easy, even if it takes 10 rockets, but as it is now it's fucking impossible to kill them and they are a pain in the arse.