Depending on the type of personality you have, you can become overtaken by the incessant need to be on the click, thereby, keeping you from fully absorbing and living in the moment. It's like a slave master demanding your constant adherence. Some people handle it ok while others hate it.
Born from anti establishment roots in the 70's and counter culture defiance, rock shows were intended to be raw and somewhat imperfect but always impactful and full of energy. The use of a click kind of turns a rock show into a corporate seminar with the goal of perfection. However, in some cases, a performance can become so sterile that the very essence is lost. Just my thoughts....