And being one of the thousands that have gotten the chance to play the Multiplayer Beta (Which isn't really a Beta, it's a demo. They know it, but since it's been released before the actual game they've labeled it as a Beta Test.) I know that it is really kinda bloody...

Senior Producer Noah Heller has said; "There are scenes that just weren't appropriate at the end of the day," he says. "We felt, okay, this was across the line now. The earliest scene that raised so much discussion was the very beginning of the game. You get your throat slit or if you don't get your throat slit, your team-mate gets his throat slit. So we said you know what, let's make a line in the sand. This needs to be a different kind of war game."

Source.