Mediocre people occupying senior leadership positions is one of the chief reasons for the fiasco and humiliation that organizations like Enron and WorldCom faced. The practice of recruiting average people at the top is omnipresent and often goes unnoticed until the results begin to surface, which is typically too late for any intervention.
Smart people decisions matter a lot in achieving profitability. Research indicates that a return on average human asset of 5% is typical in many industries.