Funny video, but it is definitely staged. I used to fight in those kind of point tournaments and there is no way that the "clash" of those 2 fighters would go on that long before they were broke up and points being awarded. The judge you see sitting in the corner with his point flag that gets decked really oversells the strike to his shoulder and takes a huge dive. I could point out a few other items, but no need. It is a funny video and I would have loved to have seen that in person.
On a side note, the two fighters looked very technical and accomplished at their respective styles.