But the point was more about forcing people to WFH most days and then having to come into the office some others. It would be the worst option for people in HCOL areas because it forces most of the office expenses onto the employees. (And the cost is ridiculously high per capita for employees)

I still don't think it's about forcing anything. I think a lot of companies will start to give the option to have employees come in 1 or 2 days a week, but there is no need to force that. Tons of people will take advantage of it for the reduction in commute alone, and thus the company will still need considerably less real estate.