Why not? What is the issue with regressing the human population to something more easily sustainable?
From a selfish angle (since that seems to be the natural state of humans), you will be able to waste more while in aggregate doing less damage to the environment. Even as someone who tries to care about not destroying the environment too badly, that sounds pretty awesome.
From a selfish angle (since that seems to be the natural state of humans), you will be able to waste more while in aggregate doing less damage to the environment. Even as someone who tries to care about not destroying the environment too badly, that sounds pretty awesome.