They do! Modern MBA programs focus heavily on a concept called servant leadership. It can get surprisingly in-depth, but on the surface its a simple idea that can be summed up in two steps. First, hire good people. Second, provide the support they need to do their job.
Modern management models have tended to move away from issuing rules and directives. These days its more about designing jobs from which the employee can derive some self-satisfaction and than providing business context so employees can self-direct toward the company's goals.
