Culture of peace
Many parents, teachers and policy-makers are concerned about the negative influence they believe media exert on children and young people. There is particular concern about depictions of violence in the media. But in today's world violence is only part of the problem. There are also pornographic films and images, excessive marketing, stereotypical and disrespectful depictions of young people, women and minorities, hate-mongering messages, and so forth.
From "Regulation, Awareness, Empowerment. Young People and Harmful Media Content in the Digital Age"