No, it is also missing an entire type of special infected that looks like a police officer (or so I am reliably told. I personally have managed to work around the censorship in question).
So the changes are not just superficial.
Having said that, I don't buy into the logic of "if it is just gore that is missing then the game should be unaffected, otherwise it must suck". Remember, this is a _zombie_ shooter. In terms of generating an appropriate atmosphere for the game, like it or not, blood and gore are critical.
Watch 28 Days Later or Dawn of the Dead, then imagine watching them with zero blood and bodies that instantly vanished when killed.
What fun.
You just chose to use an OS made of candy.
Excellent, thanks for proving my point. Exhibit A.
I hope you're a Linux user, because it would take some balls to try and characterise OS X as inferior to Windows
Interchangeable parts won't.