IMO, this is largely because the government's job is to stay out of the way, and people who hold elected office in areas where this is a problem (the Northeast Corridor and West coast generally), mostly have a certain something in common that indicates they are likely to think they need to "help" the market along.

It's not a coincidence that the "housing crisis" continues unabated in places like NYC that are losing population, yet appears to be solved in areas in the south that are absorbing those people.