that looked like a decent style for the ground but honestly I thought the stand-up looked a bit weak. But I wouldn't know until I tried sparring with someone who pratices that style I guess.
stand-up looks weak because they don't use full force as it's just a sparring. Notice that stand-up fighting works exactly same way as it does in modern full contact Karate or Muay thay. Same guard, same boxing hand motion etc.
Also those are just random fighters, they are just blue belts (low rank).
Usually those are the guys who train no longer than 6 months.
