Who is to blame? Rockstar Games or the Parent

From Boston.com today
Police: Student pulls knife on teacher
May 29, 2008
FRAMINGHAM, Mass.—Framingham police say a 13-year-old middle school student pulled a knife on his teacher in the classroom and demanded money so he could buy a video game.
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The Fuller Middle School student is charged with assault and battery with a dangerous weapon, possession of a knife and possession of a dangerous weapon.
Police Lt. Paul Shastany says the incident occurred at about 10 a.m. on Tuesday at the end of the period.
He says the male student stayed behind after the other students had left the classroom, pulled the 11-inch knife and asked for $20. After she refused, he lowered his demand to $1.
The teacher took the knife from the student.
Shastany says the boy wanted to buy the video game "Grand Theft Auto: San Andreas" but his mother refused to give him the money, so he came up with an alternate plan.

So who is to blame here. The parent did the right job with refusing to buy a mature rated game for a 13 year old. But did they fail to inform the 13 year-old of how wrong it is to hold up someone? AND WHERE DID HE GET AN 11" knife who is he Paul Hogan in Crocodile Dundee? RockStar the company that created the Grand Theft Auto franchise will probably take more hits. Of course they only took something that was happening in the real world and made it into a video game.
Be well be safe.
B