Often people said that we don't want to create more managers, but we want to create more leaders. (in fact, one of my 'manager' said this). This statement is totally misleading. Why? Because leadership and management is two different things.
In his article John Kotter mentioned that there are 3 mistakes on how people view leadership and management:
Mistake #1: People use the terms "management" and "leadership" interchangeably. This shows that they don't see the crucial difference between the two and the vital functions that each role plays.