Autocracy streamlines government and creates an aura of fear that eventually leads to a revolution. The American and French Revolutions, government protests in Iran, the Arab Spring and small breakaway countries in the developing world all focused on rebelling against the authorities. Countries rarely innovate under an autocracy anymore as their leaders stifle thinking outside of the norm.
Everyone has the ability to think, to do, and to suggest. Now, when a country's or company's leadership is one of autocracy, how does one expect that organization to grow? A leader is never a leader on his own, there has to be an acceptance of suggestions from the people he or she is leading, and from dwelling on these suggestions, he or she also learns a lot, benefiting him and his people.