Earlier quoted context omitted.
traditional urban planning in the USA includes extensive field research that shows .. just what you are saying.. there is a demographic curve about time to commute and who is willing to do it, and how often.. behavior on a large scale across industries, show curves like that
I suspect that traditional urban planning in the USA also assumed that relatively few people would be trying to pack into city centers to work. Because modern office parks hadn't been invented yet, and modern curtain wall skyscrapers hadn't been invented yet, and consolidating many industries into a relatively small number of massive tech companies hadn't happened yet, and the two-income family (which doubles the pot…
A lot of people did move to Manhattan for finance. But most left after they gained partners and kids.
In general, I suspect a lot of younger/better-educated/wealthier folks have latched onto some of the more elite cities, when they might not have done so in the past, but may not stay there over time.