........
It’s hard for me to understand the pushback on in office work other than folks would rather do their laundry while they work in their underwear lol. (I mean it’s what I do on my remote weeks haha

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This is not how most people I know work remotely.
As
@Apple fanboy observes, the commute is a major concern, and a huge factor when negotiating WFH and crafting some sort of work life balance.
Quite apart from the fact that the modern open plan office environment is the spawn of Satan, as it is noisy, disruptive, and utterly horrible - for serious research and writing I far prefer solitude and silence and have always far preferred an office of my own (a facility I enjoyed, for many - not all - of the years I worked as as an academic) - but that practice has long been eroded in the commercial world, for purely commercial reasons.
Nevertheless, for the sharing of office space to be tolerable, - let alone successful - one needs courtesy and consideration of the needs of others, two qualities currently in short supply in the world of work, and management never wished to acknowledge, let alone accept, quite how appalling the open place office work environment actually is for many of their staff, and quite how much a great many of the work force detested it, until confronted by the spectacle of a mass worker rebellion refusing to return to the office permanently when the pandemic ended.
If modern office life was not so grotesquely awful, I daresay the marked reluctance to return to the office on a full time basis once the pandemic ended would not have been quite so pronounced.
But, during the pandemic, people learned to live differently, and realised - especially with advances in tech and modern means of communication that facilitate meetings where one does not need to be present - that alternatives to an open plan office work environment preceded by the torture of an endless and uncomfortable commute (which served to make the work day not the proverbial 9-5, but, rather, something resembling 07.00-19.00/20.00) actually existed and that they intended to avail of this hybrid professional environment in the future.
The other reason for reluctance to return full-time to the office is the amount of time lost daily, weekly, monthly, and yearly, to commuting. My brother commutes over an hour each way (meaning that mere travel takes him well over two hours a day) to work.
Thus, to have any quality of life at all, any kind of a work life balance, especially in a world where some of your peers are dropping dead from heart attacks and cancer (and that does cause people to give serious thought to personal and professional priorities), demands that one be physically present during the entire working week are challenged much more frequently. These days, my brother (who works as a solicitor for the government) is physically present - as he fully understands that he needs to be, some sensitive material cannot be removed from the office, clients need to be met, court appearances need to be made, and so on - appears in the office two to three days a week, works from home two to three days a week, and is on stand-by, or call, one week-end per month in case of an emergency.