Of course, but it goes beyond just the skills and diligence of the style's originator(s). There are MMA practitioners that never practice with a resisting/competitive opponent and there are TMA practitioners that do. Some people are going to be better teachers than others; some people are going to train better than others, regardless of their preferred style.The thing with martial arts in general is the systems have all been made up at some point. Some people are going to do a better job of that than others.