These photos show what money can do.
Replace the two cities with San Francisco and New York City and you "explain" why young people have moved to big cities for decades.
In other words, not an explanation.
The west needs a more compelling argument why it should continue to exist beyond just money
Is the argument really that young people like 'glittering skyscrapers' above all?
Then why do so many look towards, say, the social democracy of Europe - which has far fewer skyscrapers than US? Eg, see https://history.stackexchange.com/questions/2530/why-does-eu... .