A weakness in part of America is a weakness for all of America. It works this way with the outside world too - our housing shortages are part of a global problem. We are all in this together. Framing the issues that the world cities have internally as something that isn't a problem for people living elsewhere is just denying that we live in a connected society.
One groups problems affect the other groups.
> And the ones with the worst housing problems have the most restrictive real estate laws.
Do you have a citation for that? I don't believe it's true.
New York has a problem - we don’t. And I’m not going to solve their problem because they created the set of choices that led to it.
What makes America great is all of these cities get to make their own unique set of mistakes. Over time, we figure out as a whole what works and what doesn’t. Some cities can choose to follow that path or ignore it, but either way, it’s that city’s problem, not everyone’s problem.