>You could make this argument about any benefit, and it would be equally silly.You misunderstand my explanation.
To be clearer, one can argue the "work-from-home" from 2 perspectives:
(1) WFH as a nice employee benefit -- such as ping pong tables, massage chairs, and free food.
(2) WFH as a non-negotiable employer business requirement to be the best most profitable company that crushes the competition. If you don't implement WFH, your business will be extinct.
Regarding (1)... if one only thinks of WFH as part of a "benefits package", the adoption of it will be sporadic and inconsistent among businesses. E.g. "free food" is implemented at Google & Facebook but not at Amazon & Microsoft. Yes, for arbitrary employee benefits, the bar of evidence is much lower (or none) in this case. All of those companies are profitable.
I think a lot of people are more ambitious about WFH and position it as (2). This would be similar to repeated demonstrated evidence of superiority similar to Henry Ford's "assembly line" manufacturing, JIT just-in-time inventory control, software engineering "source revision control", etc. If WFH wants to accumulate respect in this bucket, there needs to be amazing business success that points directly to remote workers as the cause & effect. The author of the essay had some citations promoting the "business productivity" angle which attempts perspective (2) but they are unconvincing for business leaders. In contrast, all 4 companies Google, Facebook, Amazon, Microsoft implement "source code management" and it's an absolute requirement to be productive and competitive.
It would be better if WFH was elevated to the importance of "source code management" than to let it get grouped in with "free food".