This is obviously true but so could many of humanity's worst practices and behaviors. The problem is no one wants to make the various sacrifices that come with

This is obviously true but so could many of humanity's worst practices and behaviors. The problem is no one wants to make the various sacrifices that come with changing status quo. Debating what could have been done is silly. The only interesting question really is whether this inherent reticence will cause a civilizational collapse, human extinction, planetary obsolescence or perhaps only something of a temporary dark ages for humans and life on earth.