Google CEO tells employees return to office won't happen until at least June 1
cnbc.com
cnbc.com
EDIT: Also need to remember the challenges for parents. It can be incredibly hard to be productive at home with kids around, and ability to trade off the responsibility of watching them and working would be huge.
I thought my commute (short: 40 mins maximum) was tedious, but then I realized how much it was helping me disconnecting from work mode.
More realistic reason: Middle management struggles with perceived lack of control and justifying their existence through wider WFH. Their business is their reports, and there is simply less control surface exposed through WFH to them. It is harder to carry out impression management from home. It is simply a higher friction, higher anxiety scenario. Ultimately they influence WFH adoption, whether at team-local levels or upward influence in company-wide decision making.