On the other hand, many commuter systems run at a much lower frequency outside of peak hours. It seems like having them running at the same frequency day-round would not necessarily be a win in the environmental impact department. If that is your concern trains should be as close to capacity as possible at all times.
Office workers spend the vast part of the day at their workstation and sending emails.
Why not do that from home?
Most meetings are useless and we know it, why not do them in chat or video conference?
Open spaces are the worst possible environment to get anything done and everyone knows it.
But there is this mindset that in person presence is the only way to work and interact, Which is true for some professions, but not all of them.
Most people dream would love working from home.