What do teens take away from the movies?

So by the research i have been doing it seems obivious that teens take so much away from movies than most people think. In a report i was reading, it said that teens use movies to tell then how to dress, do there hair, and even influence then on future career choices. In another report read it showed how teens remember scenes of movies better and more accuratly when there is some sort of destructive behavior in the scene. So if movies really do effect teen bahavior this much, then why do producers make films that influence teens to act poorly?