That includes the author, who is a partner at a real estate firm. The livelihood of these people is very much dependent on making sure their buildings are occupied - but for the would-be occupants, what's the benefit?
I have a private office already; it's in my house. It's quiet and comfortable. I don't have to deal with a commute or noisy coworkers, and I'm able to be extremely productive. My quality of life has improved tremendously as a direct result of working from home, and no "carrot" of private offices or "stick" of a forced return will cause me to give it up.