I had 11 years of $1400/month loan repayment that begs to differ![]()
I have 2 degrees in music, classical, jazz, "new music" (in the classical meaning - a.k.a. john cage, etc).
Blues scales were like day 2 of some group piano class. Blues music was something that most of the folks who got into the program had been doing 10 years prior. Many of us still are blues musicians in many ways... but the idea of school was to move past the rudimentary knowledge and expand our horizons.
So the fundamental answer to the OP's question is no. Yes it's touch upon, but as a foundation to build off of, just like major and minor scales, J.S.Bach, avoidance of parallel fifths, and so forth.