Earlier quoted context omitted.
I'm a programmer/musician and I can read on guitar and piano. I'm somewhere on the middle on this debate. I really dislike conventional notation but I also agree that the alternatives have some big downsides as well. My biggest objection to conventional notation is that it gives a profoundly misleading picture of how music and harmony really work. It defines one reference key (C Major/A Minor) with a certain pattern…
I agree with your main point -- standard notation is basically just piano tablature and it tends to confuse as much as it enlightens about how music works. However, I disagree about the "there's just one evenly spaced set of 12 tones" bit. This is a simplifying assumption of standard notation that makes it hard to express the idea of notes that are outside of the well-known 12. Even in the key of C major, this is a p…
Also, with a 12-tone staff plus shape notes, you'd get a little extra information for just intonation because you can tell for sure what key was intended for a given note.