Ha, no, not "wrong" as such, you are certainly entitled to your opinion. But, by your admission, you are a white belt with less than a month of training in a modern generic system headed by a "10th Dan Hall of Fame" instructor, so perhaps you might benefit from some slightly more experienced eyes. First off, let's embed the clip for easy reference:
Well, the first thing is that this isn't Jujutsu. The prevalence of kicks coming from completely different systems (primarily karate/TKD, from the looks of them), combined with very ordinary transitions into takedowns (often very badly done, very low-return actions) just show this to be a modern invented system where someone has taken some techniques, and tried to put them together, calling it a martial art.
Going through the history of the system, it was founded in 1955 by a Frank Kovacs, who says he was trained in "traditional jiu-jitsu" (sic), karate, and judo, attaining a black belt in each. Hmm. He opened his first school (note: not this new system of Minna JiuJitsu) in 1954 as a self defence school teaching Jiu-jitsu, karate, judo, boxing, muay Thai, and savate. There are claims that "It is considered by many martial arts experts to be one of the most effective fighting systems in the world". Personally, I'd say there isn't really much evidence of a fighting "system" present... there is a lot of "techniques", but they don't really make a system as such. And I'd be rather interested to know who these "experts" are.
Moving on, Frank was tested and awarded his 10th Dan "at the Mayfield Academy by Korean 10th Dan Grandmaster Yoon-Kuen Lee, making him one of the highest ranking Grandmasters in the world". How was someone from outside his system, ranked in something completely different (there isn't even any mention of any Korean systems in Franks bio) able to rank Frank in his own art? And "one of the highest ranking Grandmasters in the world"? No, lots of people get friends/committees/Hall of Fame boards to certify them to that rank and above... (all this info taken from
http://minnajiujitsu.net/enter.html, for reference).
Going back to the video, the kicks are fairly sloppy and low-powered compared with, say, a TKD practitioner doing the same ones. The takedowns are frankly terrible, with too much space in the main (a side effect of starting with the idea that kicking range is where you should fight from, then trying to apply in-close techniques from that range), or just very poor positioning. The transitions into the joint locks are very loose, poorly applied, and badly done.
When we get up to the techniques being applied against the attacker in the black pants, our 5th Dan candidate is almost universally cramped, his movements are stunted and short, meaning there isn't really much power in them (compared with the potential), and many of the actions simply don't have the effect they are shown to have here. A lot of the takedowns are convoluted and almost impossible to actually use. The work on the chair was just terrible.
At around the 2:30 mark, there were a couple of almost decent goshi nage (hip throws), fairly standard judo, really, but he's still too high, and not getting his hips into the action enough.
I'm sorry, at 2:54 does he start biting his opponent?
The weapon defences (particularly those against knives) would get you killed, and the weapon use (particularly the chain) showed no real understanding of how such items move or work. The sparring was okay karate style sparring, but no real jujutsu there at all.
Most of the techniques were overkill, overly muscled, poorly chosen and executed, done from badly positioned angles and distances, relatively powerless, or just bad. But potentially the worst of the entire thing is the way the attackers, once having thrown their attack, just stand there. No real registering of the effects of any strikes or defensive actions, no continual movement, nothing. They just stand there and get hit/thrown with techniques that only work if your opponent just stands there waiting to get hit and thrown. This is a collection of techniques, not a martial art to my mind. And a poor collection at that.
However, I do love Janes Addiction, so having Mountain Song playing was cool.
????
Granted, I'm new to the forums as of only about a month or so. 
