It matters because for the same reason some people are concerned with Osama bin Laden's son. If you grew up in a household where violence was an accepted form o

It matters because for the same reason some people are concerned with Osama bin Laden's son. If you grew up in a household where violence was an accepted form of expression, then it may have desensitized him to the fact that violence is violence, people are hurt, and people get killed, leading to was may be his lack of appreciation for such crime.