I don't know about other states but I live in Massachusetts and I tried to buy GTA when I was seventeen and the guy at Gamestop wouldn't sell it to me without a parent.
I think most peoples is the RROD, however, I was unfortunate enough to have my console freeze while I was 1 kill awake from a nuke in MW2. I had to turn it off and when I turned it on, well, RIP
As far as I'm concerned, it is rated M for Mature for a reason. I do not actually believe that somebody who has never done or thought or doing anything crazy violent would play a game and then go do it all the sudden.