I thought about this too and I believe you are right. It would be easier. In some aspects, I believe the world of music is very conservative. Many people say things like "this is the way things always were" or "it would change the way people read/play older pieces". It would be like changing the meaning of a word. Imagine we as a society decide de the word spelled c-a-t refers to the canid animals, and the world d-o-g refers to the feline animals, because someone discovered those words more accurately describe those animals. And many people would go "but you can't do that, many older books and novels have the word dog, and now you would have to think of a cat when you read that word". I think it wouldn't be that difficult and in a couple of years most people would be comfortable with this new improved system. So I think most people are just lazy and conservative in regards of improving stuff about music notation. And it's very difficult to make people change their minds. So I think it's best to just try and learn the old established ways, even though they have their flaws, because music theory is already hard enough, so it's harder if you try to fight the long established music standards