Ages ago, I worked at a flexographic print manufacturer, once, when a new hire had made a large plot on Kraft paper (which was moderately expensive/difficult to source and a nuisance to switch to/from), it turned out a circle was on a non-printing layer (why Adobe Illustrator allows that is a separate discussion --- Freehand's printing everything which is visible and not printing anything invisible or on the backgrou…
There is more interesting/useful things in life to learn than you will live. Just becoming a brain surgeon, heart surgeon, anesthesiologist, and other somewhat related medical specialties will take you to retirement age without ever leaving school. That is despite the overlap, we haven't even start to make you any form of engineer, musician, or any other the other interest fields there are out there.
We as a society have to look at things like manually drawing as hobbies you can learn if you want that should be put in a book just in case someone wants - but otherwise not taught. There is nothing wrong with what you knew how to do, but there are more important things to teach kids and we need them to move on to the real world not learning everything.