They definitely toned down the gunplay for the beta and retail releases. People don't go down nearly as easily as they used to =/
Honestly my biggest problem with the game is DICE. They don't seem to care about fixing bugs at all. They also make "fixes" to gameplay that don't fix shit (I got blinded by a flashlight in broad daylight while playing with GAF yesterday, despite them "nerfing" it).
I'm not burned out yet though. We do need to fix the community situation though, which brings me to...
Even with a shitty game the community can make it fun, like BC2 was after a year. My biggest issue is the main BF3 thread, its all qq and stupid comments. Thank god the community in this thread and the guys who get on mumble are much better. I'm sure once all the qqers leave it'll be much more fun to play.