The article is a nuanced view of the present situation, but doesn't go into the historical perspective. Contemporary radical Islam is a response to Western modernity and perceived decadence and has been brewing for decades if not centuries. It is an outgrowth of Salafi Islam, a severely literal interpretation of the Koran that has become widespread over the past 70 years thanks to trillions of petrodollars that fund…
Contemporary radical Islam is brewing just for one (young) generation and is result of applying western individual freedom and reason to principles of Islam.
http://lesswrong.com/lw/18b/reason_as_memetic_immune_disorde...