Drafting used to teach not just how to create a drawing but also how symbols are used and how the drawings are to be interpreted. CAD programs teach the same skills. But they have become much less common than drafting or mechanical drawing. I disliked my high school drafting course as there was too much emphasis on pretty lettering - never my strength. I taught myself everything else I needed to know to create two sided PCB layouts and specify the construction of boards, including gold plating of terminals, the fabrication of panels and enclosures for audio consoles, down to spec.ing the screw size and thread, preparing the silkscreening of the panels in two colors, etc.

Because I was in a liberal arts curriculum for my BS I never had to take the time intensive college level mechanical drawing required of engineering students at the time. But, when the need arises I can sketch a recognizable representation of a three dimensional view by pencil - with a few erasures. That was sufficient for my needs in my profession.

What is needed for students to qualify for entry level jobs is just a basic understanding of the presentation system underlying the drawing. A good drawing is an art work. An old engineering maxim is: "The art of engineering is in the presentation." That is true, even though there is a lot of bad art in that market. But the students don't need to be artists to succeed, though some are.    

"It is not necessary to have hope in order to persevere."