moving up in the hierarchy does not confer competence. But it gives opportunity. Leaders also know that t (Max De Pree, Leadership jazz, p43, p170) ..

The entire metaphor of hierarchy, of moving up the ladder, lures many people into the trap of believing that position equals ability. (Max De Pree, Leadership jazz, p43)
Good leaders know that moving up in the hierarchy does not magically confer upon them competence. They know that being elected president, for instance, gives them the opportunity to become president. Leaders also know that their real security lies in their personal capabilities, not in their power or position. (Max De Pree, Leadership jazz, p170)