Piketty thinks ISIS arose because of income inequality. Greenie professors think ISIS arose because of global warming [1]. Isolationists think foreign interventionism gave rise to ISIS (see elsewhere in this subthread). ISIS themselves think they&#x27;re following the teachings of their religion and would probably find all these other excuses that the West is trying to make for their existence rather silly.<p>1: <a href="https:&#x2F;&#x2F;archive.is&#x2F;3cwgG" rel="nofollow">https:&#x2F;&#x2F;archive.is&#x2F;3cwgG</a>