[amorphid]

In a smaller service business, like a design agency, it isn't uncommon for each manager to be more skilled than their direct reports.

Example... I am a DesignWizard. I have a lot of business leads, more than I can manage myself. I hire minions who can do some of what I can do, but I am still responsible for the quality of the work. The agency continues to grow, and I now have more business than me plus minions can handle. SuperMinion can do all of the design work I can do, so promote him/her to MinionManager. As DesignWizard, I am still on the hook for the quality and delivery of all design work, but I'm trusting MinionManager to actually complete the work. MinionManager is pretty good design work, including CMS stuff (Joomla, Wordpress, Drupal, etc.). If MinionManager didn't know all of those things, I'd often get sucked back into the technical work, reducing the amount of time I can spend selling and growing the business.