To what extend do leaders play a role in shaping their subordinates?

A leader like Sir Alex Ferguson is no doubt an impeccable true leader. Before he took charge over Manchester United, the club was in a peril. Sir Alex Ferguson's planning and recruitment has reshaped his players into a very well refined players. From the start to the end, Fergie was always guiding, instructing, and advised them. This is what a true leader must emphasise on to keep a company, organisation or a club going.