It's a safe bet that every one of the dancers you mentioned, Esmerelda, logged a lot of hours learning and perfecting their technique in the traditional structure. Even the ones who've branched out quite a bit from the tree budded there.
Whether or not some of the dancers you admire may have invested time and energy in reading up on dubious pseudomysticism and wishful-thinking revisionism would be a case-by-case matter, but odds are that even those who did spent far more time in class honing their skills.
Whether or not some of the dancers you admire may have invested time and energy in reading up on dubious pseudomysticism and wishful-thinking revisionism would be a case-by-case matter, but odds are that even those who did spent far more time in class honing their skills.