I spent some time scanning through the site to get the general gist, without reading every detail. Essentially they are describing things that most good teachers are aware of - at least the ones whom I know. The aspect of the presentation that I did not like, and have seen before, is that of painting all "other teachers" with the same paintbrush, and trashing them collectively. I.e. all other teachers teach (in a limited / restricted / harmful etc.) manner, and they alone do it differently. Obviously that is wrong.
The main points that they present are things I've heard from good teachers in general (who all aim toward such things when they can / when students are open to it etc.). From what I understood, as follows:
- an inner ear that understand the music and so aims toward sounds and quality in playing. to some degree the body responds naturally in trying to produce that sound. i.e. not purely mechanical playing comprised of typing out notes one by one. This needs to be developed somehow at some stage by a teacher.
- That the inner ear is not enough. There have to be effective physical motions for producing the sounds that the student envisions.
- That fundamental effective posture at the piano affects how you will be able to do the above two things.
- That understanding music via "analysis" should go toward real understanding rather than something much more superficial.
- Maybe unstated: that there is a balance and interplay between taught physical technique, inner musical understanding, taught theory, inner musical understanding of that theory, and probably other elements, and they all have to made to work together.
Since it's not the first time that I have heard of these things, it is not unique to that one school or teacher(s). These are subtle things, and require the interaction between teacher and student. The teacher has to be aware of the student's abilities and character in order to know how to balance the teaching, and the student will change as it goes along. I cannot see this as something happening on the Internet except perhaps on the rare occasion with a rare teacher and rare kind of student.