(Commentary by Bob Bruner, dean of the Darden School of Business) These visits got me thinking: Why do businesses reorganize? Critics claim that this is all terribly distracting and of doubtful value. A "Dilbert" coffee mug says, "Change - What We Do To Give The Illusion of Progress." If, as the critics allege, reorganizations are so bad, why do they remain such a regular and prominent feature of business life?