The notation is the tool to describe abstract concepts. It's impossible to talk about why analysis is flawed if you don't even have the language to describe the data being analyzed.

edited to remove some snark.

So it is _exactly_ what I called it to be then: HN giving a pseudo-lecture on notation. Because notation is important.

However, it's a loose exploration of data, no hypothesis. The "flaw" only exists if you treat it like it is meant for professional musicians.