Their nukes can't reach North America. Only three country have nukes that can reach America; USA, RUSSIA, China (Alaska)...
Although France and Britian may have submarines...
The real problem is the backwards-ness of one culture. While economic fears are related to economic situations, the arguments against Islamic culture are founded in ideology.
I see this conflict as secular verses religious. What Neitche described as the weakly nature of christianity from this perspective makes it preferable to the muslim culture.