I play Scout a lot, but I've never camped. I think I can count the times I used a sniper variant on one hand. But I very often get in the top 3 by using my M.95 inf (no sweet spot) and Spotting Flares all game.
It's hard not generalize when this happens almost every 2 matches, I just don't get why some people would prefer to screw the team over by switching to scout, they're overused many times cause casuals from CoD want to be a taticool elite MLG sniper
I've noticed similar behavior. A lot of weird corner deaths/delayed damage. Seems like the game and lag comp tends to side with higher ping players, which is a shame. On a related note, there are also a ton of invisible walls on things like sandbags, large rocks, roof edges, rubble, etc. I'm sure they'll be fixed eventually, though.