There is also a difference between being a capital-L Leader, and leadership. Healthy companies have space for technical leadership that is different from being on the management track to being CEO.

Healthy companies may have CEO with domain specific knowledge of the field. Airbus, for example. Unhealthy companies may have capital-L Leaders living off in capital-L Lalastocklandia who have not done so well by various measurements, such as their planes falling from the sky, or stranded lowearthorbitnauts. Boeing, for example.