Elites can become so inbred that they produce haemophiliacs who bleed to death as soon as they are nicked by the real world. Never neglect details. When everyone's mind is dulled or distracted the leader must be doubly vigilant. Plans don't accomplish anything, either. Theories of management don't much matter.
Endeavours succeed or fail because of the people involved.
Only by attracting the best people will you accomplish great deeds. Don't chase the latest management fads. The situation dictates which approach best accomplishes the team's mission. Also look for loyalty, integrity, a high energy drive, a balanced ego and the drive to get things done. Don't always run at a breakneck pace.