Love Kevin James, but...

Uh?

to be honest with you, your argument has some merit.
several of my friends run dojo's, and would not accept that kind of behavior from a student.
your family emmber should get their kid out of the crappy belt mill, and into a proper dojo, where they can learn from a good sensei, instead of someone who is actually re-inforcing the poor behavior...

all sports are inherrantly violent though, and MMA is the current flavor for it. football was just as brutal, and whatever some next will be as well. it is the nature fo humanity. there is a reason gladiatorial combat was so popular in it's day, and why we as people have always gone back to these kinds of entertainments. it is a visceral desire for physical confrontation, and competition.

as for violent video games... if you do your research, you will find an undeniable, and direct corelation in street violence, and domestic violence in relation to violent video games.
yeah, the crime, and violence go down in relation with the release of these games. instead of going out and kicking the crud out of people on the streets, or car jacking, folks would apparently prefer to do it in liberty city on their favorite console.
it is a fact, look it up.

violence has a place in our society, and as a learning tool. having kids get it out in a structured setting, with people who care about them watching out for them, is obviously going to be preferable to getting it out in the alleys, and streets... and there is a big difference between superman punching someone who is a trained fighter, and knows how to roll with the punch, and beating someone up for their lunch money.

again, every sensei i know who doesn't run a belt mill would not accept a bully as a student... there are too many negative views for them to allow themselves to be associated with someone reinforcing that behavior.