Building tall is one of the few real technologies that have made significant progress in terms of doing more with less. If you keep buildings short, you'll end

Building tall is one of the few real technologies that have made significant progress in terms of doing more with less. If you keep buildings short, you'll end up spending vastly higher a percentage of real wealth housing people in economic centres. Either you build tall, or the cost of land and housing goes up much faster than it already does.