One of the biggest hurdles to clear in just about any meeting is the "reason" for doing something. And yet, the temptation is to jump ahead to the tactics, without knowing the "why."
Change is made even more difficult these days when you leave out important information or the underlying philosophy of why the change is needed. Let people know, so they can embrace the change. They may be even come up with a better way of doing something, if they know the "why."
Of course, this is true for life in general. Know the why for anything, and you'll make more progress.
For more, check out my video on communicating change.