In upFront.eZine, readers have debated whether CAD makes drawings better or worse. It's generally agreed that CAD forces new students to learn software commands instead of drafting principles.
Red Orbit reprints an article by Jean Thilmany in Mechanical Engineering: Pros and Cons of CAD that even includes quotes from John Walker. The conclusion:
Lewis praises rules that can now be included in CAD systems. Those rules automatically create certain aspects of a design-like a hole-in a company-prescribed manner, to standardize them. "That drives standardization without limiting creativity," Lewis said. "If you make it easy for somebody to make that hole, it becomes a no-brainer, and they can turn their efforts to the creative part of the design process."