The systemic problem is that those buttons exist to be be pushed, not that they are being pushed. For example, all rules regarding single family occupancy - th

The systemic problem is that those buttons exist to be be pushed, not that they are being pushed. For example, all rules regarding single family occupancy - there is no gain society can possibility have from instituting such rules, and many countries do just fine without them. But once you have them in place you have created a very strong incentive for incumbents to exclude others from diluting their access to public investments in the area, while also denying those people a political voice.