Hiding deep in a crevice, not moving at all, and having a field of view less than 10 degrees is to you good sniping? I suggest you try that in a game where sniping is really a big thing, Rogue Spear, because do that in a untimed RS game with everybody else sniping, waiting for someone to do that and you get games that go on quite literally forever, now, if you wanna say that that is good sniping in real life you're wrong, you should go read documentaries of snipers in aany war you can find, in the American Revolutionary war, they stood near trees and in forests, hiding, taking shots as they could then moving, because the British would lay waste to anyone that stood still for too long, In the american Civil war the same thing happened, once you took a shot you moved, or else you were cannon fodder, in WWI the germans had snipers that set in the crevices and waited for Allies to poke their heads over the trenches, it was considered a suicide mission because once you took a shot whole machinegun nests came down on you at once, in WWII american soldiers would be shot by a sniper and would send a two man team to put a grenade inside the window the shot came out of in cities, or out in the fields they had tanks overun known sniper positions, in the pacific the Japanese snipers where a real suicide mission when you took one shot sitting on a tree lik they did then you were dead, the americans took flame throwers to the trees and burnt them to crisps, in the vietnam conflict american snipers got incredible bounties on their heads, and they sat in the middle of plains and swamps watching whole sections of terrain, in desert storm so that the snipers could get maximum visibility of the area they sat on high sand dunes with Barret .50 calibre rifles to take down Iraqi truck colums!
Snipers have always had a job where you may sit to take one shot for a long time but once you've shot once from that spot then you move, of course in INF no one does anythign about snipers, I personally have never stayed in one spot for more than 20 seconds when sniping, and I always use GOOD sniper positions that are in places no one would think of, like out in the middle of streets, because when you think of a sniper spot do you think of the middle of the street or a small window on a third story building? I pick places that are totally out of the way for a sniper, as a real sniper does.
So a sniper can still camp, because if hes' sitting in one spot for the whole game waiting for more prey to come then that is all he is doing, would you let someone with an SMG do that?