I don't think he should grossly misrepresent information, which I think he avoided doing. If he had the information you presented he should have definitely used it, but even with it, he didn't state anything un-plausible.
Moreover, he should have argued that Rhythm Nation isn't one of the greatest albums of all time mostly because it had hits and and sold alot. Though I think he went into the depths of the recording process sufficiently, he didn't exactly answer why should we still be listening to the album today.