Campers camp simply because they dont have the gun skills to compete with rushers. So yes, 99% of the time time they are less skilled players.
Opinions stated as incorrect facts....Fake News.
Maybe campers camp because of all the scared bitches that have to jump around every corner and jump all the time instead of having a straight up gun fight. Or the side to side dancers while in a gun fight. If I come across them, I either leave or camp. Deal with it. Are you a jumping ho?
But see in multiplayer you can get to them eventually and kill them in a humiliating way