Growing up with violence, with inescapable expertly choreographed brutality in every home builds not only a kind of desensitization for it, but it also creates a market for violent entertainment by people for whom even what they see on television is not enough, is not graphic enough, is not explicit enough, and some movie productions, some big productions really cash in on that market. What is peculiar about this is that as time goes on, a greater dosage is necessary to satisfy this need.

The Killing Screens: Media and the Culture of Violence