You just don't know what you don't know. You have an idea of body mechanics, extension, timing, relaxation, etc, and you think that this is just that, but more/better. While there may be some conceptual similarities, it is significantly different in both practice and application.
Absolutely correct; I don't know what I don't know. Also true: you
don't know what I don't know (or, for that matter, what I do
I think we've reached the outer limits of the usefulness of internet discussion.