The article is right, but fails to explain why. Here is an abbreviated version of the argument within Enlightenment Now for the same basic point. We are prone

The article is right, but fails to explain why. Here is an abbreviated version of the argument within Enlightenment Now for the same basic point. We are prone to believe that the ends justify the means. When the ends are infinite good, we therefore become willing to inflict unlimited harm to achieve them. In practice the infinite good people aimed for has proven to be debatable, but the harms inflicted have not. The more right you feel your cause is, the more that this should worry you.