> In the grand scheme of things office locations aren't that big a deal.
Location is a make-or-break proposition for a lot of people. If you have employees with lives outside of the company, location will matter quite a bit.
From the top, it might be easy to rationalize a decision that adds 20 minutes to an employee's commute time, but (hopefully) your employees aren't stupid. Time is money, and what they see is that you've just added several hours to their work week -- hours they could be spending with friends and family, or spending on hobbies or relaxing. If the change is seen as arbitrary or for selfish purposes (eg. making the lives of one or a few executives easier at the expense of everyone else), that location change can seriously sap morale.