Because they are the ones who created it.
http://www.nytimes.com/2014/08/23/op...hate.html?_r=0
A chronology of the House of Saud and how it created and propagated Islamic extermism around the globe and the role the United States played.
http://www.pbs.org/wgbh/pages/frontl...ows/saud/cron/