Results also show lower productivity of fully-remote teams, especially when more than half of your team is new, people haven't ramped up on complex codebases and haven't made good bonds with their colleagues.
Ultimately WFH is more economically efficient for worker and employer, so it is up to the employer to prove to shareholders why they should be spending tons of money on in-office aside from "because this is how we've always done it."
I strongly disagree with this. WFH will be economically disastrous for the US workers in the long run, akin to what happened to the US rust belt. See the previous discussions: https://news.ycombinator.com/item?id=27696235 (part 1) , https://news.ycombinator.com/item?id=29784222 (part 2).