Yeah, I and most other people tend not to have difficulty getting off the auto sniper. The reason I leave it out is because the scope doesn't go away when shooting and it is an automatic weapon as in holding down the trigger will fire multiple rounds, where as a scout and awp do not do that.
And yes, spawn camping on a HUGE map is probably not a good thing to do; however, I stand firm that if you camp for maybe the first few seconds of the round and then move, that there shouldn't be a problem. If you're still in spawn and you're the last one alive, that is when things become an issue.
The reason a lot of people bitch about the spawn camping thing seems to spawn from the extremely small maps, maps where it takes maybe 10 seconds to get to the opposite side. There should be nothing wrong with staying in your spawn on maps like these.