I'd guess there are plenty of people in high-rent areas who'd need larger and more expensive living quarters to work from home long-term.
Those are just one or two of the social costs. How much does it cost in real money to relocate a family of 3 or 4?
People who live close to work in an expensive area have traded money for time. Higher salary; shorter commute. They may not have the resources to move.
IMO, that’s a strange definition of free.
"How much does it cost in real money to relocate a family of 3 or 4?"
Versus living in the aforementioned very expensive area? Seems like it would probably save money to move somewhere more affordable.