"If more houses were built then none of this would be a problem" Yes but the economy is a real thing with limitations. In the short term you are limited by econ

"If more houses were built then none of this would be a problem" Yes but the economy is a real thing with limitations. In the short term you are limited by economic resources. Think of a worker placement board game or a city building game. You can choose to build mansions on beaches that will be 90% empty or you can choose to build housing elsewhere which might find different utility. But you cannot do both!