The AI is going to replace most of the office workers in the next few years, the office buildings are going to be worth as much as the land they are built on is minus the cost of demolition.
And the usual demographics where support for such boondoggles throughout history is found will cheer for it because they'll dress it up in environmentalism and 15-min cities and whatever the other issues of the day are.
you're basically rebuilding from scratch at that point.