Yes.

Unlike most games if you throw yourself off of a cliff or grenade yourself your team's score and the other team's score both stay the same (as opposed to lowering your score or raising the opponent's). By keeping 2 genades on hand you can have a free restock on ammo and health at no cost. Although this does stop trolls from tanking your team, a working kick system should be able to remedy any damages done and actually kick the person.

About one out of every three times I enter the driver position on a vehicle my entire screen goes black untill I exit the vehicle.  I use a 4:3 aspect ratio, could it have anything to do with this?