"Of course this doesn't cover those who "work from home" by watching Netflix and jiggling the mouse on their laptop every ten minutes or so. I'm talking about the more responsible people."
It's probably still more productive because now they are not distracting anyone.
Amazingly this is also an argument from working from home. I've been at two companies during a WFH transition and they act surprised at the increase in productivity. Often times it's this very reason, less babbling and nerf-gun fights and more actual work.
Of course this doesn't cover those who "work from home" by watching Netflix and jiggling the mouse on their laptop every ten minutes or so. I'm talking about the more responsible people.