Living in the suburbs has little or nothing to do with "upward mobility" as stated in the article. High costs of healthcare (a fully privatized system will always cost more), high cost of public and private higher education and other factors are greater than living farther from cities. also talking about how cities created wealth 50, 100, 150 years ago made sense. Today, physical location is as important.
There needs to be more sensible growth patterns, but it isn't an all or nothing proposition.
There needs to be more sensible growth patterns, but it isn't an all or nothing proposition.