Do we, as Sensei, have a responsibility to instruct young adults in this subject? I cannot say with any experience or certainty that it is something we should do in martial systems instruction but maybe we should be contemplating it as Sensei.
I would be considering it in the strongest terms if I had a dojo that instructed young adults, i.e. young persons in grade and/or junior high school. This is grade five up to 12.
I am sure many school systems today are fighting with themselves over this subject. I would suggest, theory only with no data to back it up, that Sensei of all martial systems who instruct persons under the age of 18 (legal age in the state where you instruct) should be giving this a great deal of thought.
I personally do not know the answers. If a karate-ka actually applied a powerful punch or strike to another child's head and it resulted in unconsciousness and hospitalization I would be devastated. With power comes responsibility! Do young adults really have the experience and knowledge to assume that responsibility?
All questions we Sensei should ask ourselves. Have you asked yourself these and other related questions? Take a moment, do a search on youtube for bullying, view what you see and consider the question(s), please!