I think there should be a national effort to "spread out" the economy and fight the trend towards centralization in a few areas. If you build more housing in CA, even more people will move there and the overcrowding will become even worse. There should be incentives for companies to move away from places like SV and NY.
More acceptance of remote work would help too but I wouldn't hold my breath for it.
More acceptance of remote work would help too but I wouldn't hold my breath for it.