Because it is contradictory. Sure, in a vacuum where there's infinite land available and no rules, supply would meet demand. In a vacuum Antarctica would be a great vacation destination with amazing views of the ocean.
In reality Antarctica is freezing cold and difficult to get to. And in reality there is a shortage of places to build new housing at an affordable price in either location mentioned.
In reality Antarctica is freezing cold and difficult to get to. And in reality there is a shortage of places to build new housing at an affordable price in either location mentioned.