[JamesBarney]

It's very difficult for a corporation to measure changes in employee or team productivity in many white collar professions ..specifically software development.

I personally don't know of any large corporations that track it well enough on a corporation wide level to be able to tell you if any change significantly affected developer productivity.

But the check they write every month for rent is very easily measured and reduced.

Also I was specifically told by the VP who was in charge of making the decision for his division why he was doing it, and it was costs savings.