When people fly airplanes across the world, do they not look out the window and see what I see? LOTS of unused land. As in, most of the planet. There's plenty

When people fly airplanes across the world, do they not look out the window and see what I see? LOTS of unused land. As in, most of the planet. There's plenty more room out there for everything we need. Only political borders (placed by us humans) prevent us from using all available land/resources to provide for all of humanity.