Why not just assume that the big tech are best positioned to be able to realize all the money they were wasting in Bullshit jobs? I am sure remote work provided them with enough data about the wasted meetings etc.;

Luay, you may find this article about Bullshit Jobs interesting:

https://medium.com/predict/shaping-the-future-of-employment-the-five-types-of-pointless-jobs-impacted-by-the-pandemic-b025aa2d8e99