Why you should avoid "under-communicating"

In the article Here We Go Again Leading in Tough Times, author Lee J. Colan cautions against “under-communicating” with employees:

In today information-rich, time-poor world, it can be quite challenging to decide what to communicate to employees and what to withhold. It’s easy to say (usually to ourselves), “They don’t really need to know all that” or “My team won’t really understand” or “I don’t think they can handle that news right now.” But the truth is that leaders who underestimate the power of their employees generally overestimate their own.