Sorry, but most of that is bad parenting. My kids watch a variety of programmes, read, play play station, computer games,enjoy a variety of out of school activities etc. My son doesn't jump off roofs and think he can fly, nor does he kick box and hit people. From reading, I am sure he doesn't think bears eat porridge and go on nice walks to let it cool down and girl's with blonde hair are prone to doing break and enters and are destined for the slammer!
Also one thing I find interesting about the schools here is the attitude of parents and the schools to bullying. Where I come from all schools have behaviour management policies/discipline policies/behaviour codes in place in the schools regardless if they are public or private and they are strictly adhered too. As it should be-in the work force we protect adults from harassment whether it be physical, verbal or sexual and we should protect our children in the same way. The attitude here seems to be "hit back harder". Nice!!
Not!!
Where do kids get this from-their parents. You can blame TV, media and technology all you want but at the end of the day it is parenting.