I imagine that the real reason for IBM's "everyone must work in the office" was to get staff to quit rather than laying them off.
> work-from-home talent tended to be “more engaged, have stronger trust in leadership and much stronger intention to stay.”
Stronger intention to stay is a problem if you're trying to shrink the workforce!
http://www.bestplaces.net/cost-of-living/plano-tx/torrance-c...
https://www.dallasnews.com/business/business/2014/04/29/toyo...
http://www.latimes.com/business/autos/la-fi-toyota-move-2014...