Why not Judo vs JiuJitsu?

There are many more videos of Judo V JuJitsu fighters. And more of them show the Judo guy wining. The other guy is wrong the rules in Judo do not state you can only be on the ground for 20 secs. They only state that you must be actively working and going for submissions or pins. If the Judoka gets a pin (Oasekomi) then they have to hold it for 20-30 secs depending on the devision in order to win. However a submission is basically held until the opponant taps. There is also throwing in Judo and the Judoka gets points everytime he they throw their opponant (koka, yuko, wazari and ipon). Once they get an ipon or enough throws to add up to ipon then the ref will stop the match. In Judo unlike JJ fights the fighters are not allowed to pull guard and you must make an attack to get your opponant down, not just fall on the mat and pull your opponant on top of you. The ref would give points to your opponant if you did or penalize you. Often if you watch JJ or BJJ mathes the fighters will hold ...  more