This is the real problem. SF is loathe to build out skyscrapers even though it's been proven that dense urban areas are the most efficient way to live. The eart

This is the real problem. SF is loathe to build out skyscrapers even though it's been proven that dense urban areas are the most efficient way to live. The earthquake argument isn't really a sound one in this day and age so the only thing left is "we don't like change."