The rational model has led us astray

A recent Fortune article went for the jugular, “Management consultants and business planners share a dirty little secret. Ninety percent of all strategies fail to get implemented.” The same article told the tale of a consultant who took a $3 billion company with no strategy and developed 200 separate Strategic Business Units. The issue is obvious. Given a company that couldn't execute one strategy, how do you suddenly take on 200 different ones — each requiring a different style, staff and skill?