Are you suggesting that being able to draw, dance, act, and read music is a prerequisite for being a well-rounded person? If someone can't draw, are they not well-rounded?
Who are these people who "can't" draw? Can you hold a pencil? Can you put it on paper? You may not be able to draw well, but I know that drawing diagrams is a necessity for communicating ideas where I work, which is in the software industry. Exercising your brain in different ways at a young age is important. If you can't relate what you see in your mind or in the world to something you can express as a drawing, even just with stick figures, you're going to be in trouble.
Also, the software industry has user interface design and art jobs. I wonder who would fill those with no creative classes?
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Official Queen ***** of the Universe!