Choosing blue is failing to consider the suicidal, the crazy, the mentally challenged and not to mention all the religious people who are indoctrinated to think the deaths of billions would signal the fulfilment some end times prophecy that assures them eternal bliss
Everyone on earth takes a private vote by pressing a red or blue button. If more than 50% of people press the blue button, everyone survives. If less than 50% of people press the blue button, only people who pressed the red button survive. Which button would you press? BE HONEST.