I would argue that Glenn Gould is both a very significant artist, and one that is strangely overlooked by the world. Except in Canada. I think Canadians are too polite to protest this injustice. I think the film does a great job of shedding some light on this polymath genius.
I love this film and have many of his recordings. I've also had the good fortune to work at a few Canadian instituions where GG performed on a regular basis. It was always amazing to see people journey from far and wide to have their photo taken in front of his plaque or a statue of his likeness. He was a true genius.
I'd prefer a biopic. The interviews inspire warm tears, but the vignettes are little more than hazy dreams of an admirer, weak efforts to etch features on a shadow. I especially dislike the sequences that devise mocking tones from the percussiveness of Gould's harpsichord-derived technique.