The world is a complex place. A direct extrapolation of Garbarino and Bronfenbrenner would predict that people growing up in a violent environment with a safe home would be less likely to develop violent behaviors. Those with a safe home and a strong church, school or social life that was also distinct from the violent environment would be even less likely to develop violent behaviors. I hope that fleshes out my earlier comments, in a helpful way, as this is a very difficult subject to talk about. I'm lucid and well-read about.
Violence is such a strange phenomenon.
I posted that article on Sexual Solicitation of Children on the Net simply because it was inetersting and it had to do with the changing times in a digital world. I didn't expect such a response. But I do believe that some people can become violent from being exposed or treated violently and then some react in the opposite and are anti-violence. This depends on your religious beliefs, if you have any. It might be that the same contextual clues that prompt you to benign social behavior have become an irritant to those of whom you are speaking.