Ya know, my first thought was that for a certain time period up a certain rank, I could see requiring Judo students to take an inhouse karate class (at no additional charge/cost) to learn some basics on punching and kicking and then applying that to Judo's self-defense katas to understand a proper attack so you could do a proper defense. I remember when I studied Aikido for a short time, no on in the class knew how to throw even a basic punch unless they had other training. Even though punching/kicking was not a part of that branch of Aikido, it would have benefited the students to understand what they were really dealing with. Much like many people say if you are going to teach takedown defense, you should know how to properly do a takedown. I thought all of that, and then looked at the website. I don't know how/where they got the ranking on that. The founder of the style only talks about his karate background and then mentions out of nowhere starting a JJ federation. So, I'm not sure where that came from. As to the demo. Who knows who the target audience was or it's purpose. Was it to just have entertainment and have the kids have fun? If so great. If it was to show effective techniques in a variety of situations or to properly show what is being taught. Epic Fail. Also, have any of you ever been to a child's piano recital? Not always the best, but it's a chance for them to be proud of their effort and I wouldn't judge the piano teacher on the effort and ability of some of the students. Remember, people have different reasons for doing martial arts and not everyone is top notch athletic ability.