there are undoubtedly a plethora of opinions on both activities however, they can become very intertwined, causing anger and derision from the remainder of the team.
My own interpretation is that to be sniping, you must be actively contributing to the enemy depletion count, ergo, regularly (every 20/30 seconds) hitting a enemy.
If your "sniping", entails sitting looking at a red diamond or triangle on the other side of a building/hill/obstruction and hoping the enemy will appear, then you are camping and need to move.....discuss;