To help others develop, start with yourself! When the boss acts like a little god and tells everyone else they need to improve, that behavior can be copied at every level of management. Every level then points out how the level below it needs to change. The end result: No one gets much better.
At the end of the first half-century of engine-driven flight, we are confronted with the stark fact that the historical significance of aircraft has been primarily military and destructive.