If a new manager insists on continuing to perform their previous technical tasks, what is the risk mentioned?

Answer

Risking a quick demotion

If a new manager attempts to persist in performing their old specialized job functions, they risk demotion because their focus must necessarily shift to managing the collective work rather than executing the specialized work themselves.

If a new manager insists on continuing to perform their previous technical tasks, what is the risk mentioned?
jobcareermanagementleadershipreason