yea but if they all spawn int he middle of the town and come charging at the same time from the swinging doors, the sniper will basically be in trouble. If they all throw granades and BR shots/ smg shots at us, well be useless
If they charge through the doors that is exactly what you want. The sniper will be able to pop out from beside the trucks and get shots in and the rest of your team should be elevated on either side of them creating a "valley of death" in essence. It's damn hard to stick grenades close to people when they are on semi-narrow ledges above you.