WHO?: Insane people who, to paraphrase an old Lay's commercial, can't kill just one.
PROS: Umm ... they cull the herd?
CONS: Crazy. Stabbingy. Shooty. Poisony.
WHAT?: That comma used between the last two items in a series of three or more. In "A, B, and C," it's the comma between "B" and "and."
PROS: In complicated sentences, can help avoid confusion.
CONS: I've got nothing.
WINNER: I know people who hate the serial comma. At least once a year, I have to defend its use in the pages of our magazine. "We don't like it! This other magazine I'm pointing to right now doesn't use it!" a few editors will say. That's all they've got. "It can add clarity in complex sentences--and we often use complex, tech-heavy sentences," I inevitably point out. And we keep using it.
Also, when I was a lowly editorial assistant at William Morrow, a novelist once a wrote a note to his editor: "I loathe the serial comma."
Really? I envy the leisure time you use to develop loathing for helpful punctuation. Perhaps you could use that time for something more useful--say, extra whacking-off time.
This is just a long way of crowning the serial comma the winner of this Smackdown! You kick serial-killer butt, dude. The forces of copyediting darkness will have to pry you out of my cold, dead sentences.