The weird thing about this argument is that people are suggesting that kids SHOULD be restricted by force of legal action from being able to purchase a violent game. I consider myself in the "minority" who believes that this should not be the case.
I'm on the wall of whether or not I'd actually allow my rhetorical (non-existent) child to play sex, drugs and violence-filled games. But there is absolutely no doubt in my mind that I would want that choice to be MINE.
For one thing, there is no correlation between video games and real-life violence, so there is no argument outside that of pure moral compass (subjective) that this law could have any positive outcome. Any child can just as easily download porn on your computer while you're away. Will that turn them into a future sexual deviant/hooker/womanizer? No. If we start basing our laws on morality then we might as well just wave goodbye to our freedoms right now.
Overly dramatic considering this particular law, but as it would happen, new legislation always has that potential to become a slippery slope.
And that's the ultimate point here - It's your responsibility as a parent to BE a parent. I'm not one, but when and if I become one, you can be sure that I'll be proud of that responsibility and I will do everything in my power to raise said child as I see fit. NOT how legislation sees fit, thank you very much.
If I DON'T take that responsibility seriously then I AM the problem; Not games, Not society, Not my government - Me.