It is over 2 years since I wrote my seminal post  “The Cause of Unhappiness”.  It is clear now that I had underestimated human ingenuity. Even with a force as powerful as nuclear weapons standing between humanity and periodic societal destruction, we have still managed, quite creditably, to bring ourselves to the verge of a cataclysm.   On that note, read point 13 of this list, which echoes my point.