This presupposes that bullying is always explained by something environmental or that it's learned behavior. But what if bullying is just fun for some people? What if human beings have differing innate levels of aggression, empathy, and tolerance? What if some people see bullying and feel a little pit in their stomach -- fear, disgust, anger -- and what if others simply don't?
"The blank slate" conception of the world continues to mislead us about the domain of effective interventions.