Yep, you must maximize your efficiency then drip feed your employer with your output. Then enjoy the downtime talking with the colleagues you like, browsing the Internet, listening to music/watching a video, or even anything else if you can work remote at least from time to time.
I don't like it. There is still the possibility that somehow, one set of action brings them back here. It would be better to simply put no one in there because CoSt SaViNgS.
Which is way too expensive and mostly why we can't have homes anymore.