In a way the term "art" is what is at question here. I believe my definition of "art" is the pursuit of truth, my own truth, and the expression thereof. If the dogma of the style dictates the truth, it isn''t mine, it's someone else's truth.
The grace and economy and elegance of movement does expresess truth, but someone else's (I love that by the way, very well put). It's the founder's truth. It should be up to me to dictate what my truth is. I'm 6'-6" and my knees aren't what they used to be. At 45 years of age and having experienced 20 years of "martial arts" from Malaysian Pentjak Silat to Muay Thai to Greco-Roman wresting and French Savate, I think I may have a slight bit of knowledge to realize what my truth is.
Again, eloquent, but I believe the word "art" is the question. I believe there is calmness, tranquility, peace of mind, confidence, discipline, control, and to a certain degree trust. But I believe there is no art in tracing somebody else's work.
There is training, learning, experience, feeling, understanding, and ultimately incorporating all of that into your own personal expression to build on what has come before. You take what someone else "perfected" in a sense and you add to it. When you write something, you don't recreate the alphabet or the words, you build on it.
I think it's wonderful that he has enough flexibility that he can shove his head up his own ass. But I do believe it's useful only if he has enough wiggle room to get his shoulders loose. Other than that, it's just funny.