IT operations professionals must be increasingly adept at dealing with myriad technical challenges (application complexity, big data, and cloud among others) as well as management and organizational challenges. Micromanagement, excessive time and effort spent on over-tracking and over-analyzing, and removing power from the IT professionals who are trying to complete daily tasks are common management traps which lead to inefficiencies.
In giving over the reins to those who know how to get the job done, you also communicate your faith in their abilities, which translates into better results. In addition, the shadow of accountability falls over that department, encouraging them to work together to ensure that your IT systems are the best they could be, without incurring time wastage.
You can read more here: How large IT departments waste time and effort