The Circular Saw, the Apprentice, and the Software Factory A circular saw does not turn a bad carpenter into a good one. It merely allows him to destroy wood faster. A skilled carpenter still uses the circular saw. Refusing modern tools would not make him more professional, only slower. The difference is that he understands the material. He knows how wood behaves, where tension builds, how grain direction affects a cut, and when a clean-looking result is structurally wrong. The machine...