haha what? none of the gore had any reason behind it other than I'M ZACK SNYDER AND I LIKE BLOOOOOOOOOOOOOOOOOD
Seriously.
Original version: Dan and Laurie defend themselves against mugging knot heads in an alley
Snyder version: Bone ruptures flesh. Heads are thrown through concrete walls. Necks are broken. One neck is stabbed. There where no survivors.
Original version: Rorschach handcuffs a guy to the wall, lights the room on fire, hands him a bone saw and says something like "Don't bother sawing through the cuffs" then walks out
Snyder version: Roschach frantically hacks his face away with a cleaver.
Original version: 'Fat chance' get's his throat cut with a box cutter.
Snyder version: He gets his arms cut off with an electric saw.