Is how you learn to play the instrument important? Are in…

https://www.musical-u.com/learn/musicians-stop-learning-to-read-music/
Is how you learn to play the instrument important? Are instrumentalists who cannot read music, but are capable nonetheless, any better or worse than those who are more “classically trained”? https://www.musical-u.com/learn/musicians-stop-learning-to-read-music/