Just finished reading this article by Michael Lake, and it raises some interesting questions.
I’ve been working through the theory section of Jovino’s class on “Triads: Non-Linear Improvisation,” and he touches on some of the same points with regard to chord-scale relationships and improvisation.
Give it a look and see what you think. There are interesting observations in the comments as well, where a number of educators and established jazz musicians chime in. Enjoy!