i don't know, people say it's backwards, but it's literally how MMA got put on the map AND you have other events still doing proper one night tournaments like K1, GLORY, all kinds of grappling tournaments. it can be done. and modern MMA fighters have expressed interest in doing it. i think it is the dark horse, the ace in the hole, the one thing that would bring back MMA to some glory. I think Rizin and other orgs that could do it are sleeping on it. Imagine a proper one night tournament in Japan, maximum bragging rights. That's a real fucking champion, whoever wins that. And it's always some sort of person you never imagine to win. wish they would do a one night tournament with representatives from Rizin, DEEP, Pancrase, BLACK, Road FC, etc, etc.