The major reason he cites is that they fail to "tap into the incredible treasure trove of knowledge, harness the energies and then channel the efforts of your employees to help you become great."
When talking about the saying we hear that says "work on the business not just in the business," he says that you must ask three questions of your people:
- Where's the pain?
- What needs to be fixed?
- What can we do to fix it?
(Tip of the hat to Gary Bourgeault at Managers Realm for the link!)