I don't. But if I did I would not put blame on video games and retailers. It would be my responsobility as a parent to monitor what my children are watching/playing.
I have no problem with retailers not selling M rated games to children. This has been going on for quite some time, and it should be going on. But they should not force M rated games to be in a completely different area "not unlike pornography" just because they're M rated. That is going to hurt the video game indunstry and is an obvious attempt at stopping violent and M rated video games. And mark my words, more "laws" will come, and it will continue to hurt the video game industry.