I'm an experienced musician and this really resonates with me. It's possible to see a scale written out in the score and know exactly what that means in terms of how it's supposed to sound, what fingering I should use, and whether there are any "aberrant" notes in there that I should watch out for. The same goes for many other common note patterns. Trying to decode something like this into something that makes sense to me musically is a huge additional burden that doesn't exist. That said, having been through the journey of being able to sight read music myself and then trying to teach it to a number of people, I agree that reading a score in real time is one of the greatest hurdles to beginner and intermediate players alike, and probably a huge impediment to many people learning to play a variety of instruments.
There is one particular instance in which getting away from traditional notation can help. I have absolute pitch, and I've played transposing (woodwind) instruments before. The mental link between specific finger positions and specific tones / notes on the score, is one that causes me untold issues with transposing instruments. If I could just focus on the finger positions without the distraction of the score, that would help me. I don't think this is a common problem though.
There is one particular instance in which getting away from traditional notation can help. I have absolute pitch, and I've played transposing (woodwind) instruments before. The mental link between specific finger positions and specific tones / notes on the score, is one that causes me untold issues with transposing instruments. If I could just focus on the finger positions without the distraction of the score, that would help me. I don't think this is a common problem though.