Where do they find these people?
Well, here's a couple of points:
Much of the muslims' so called scientific enlightenment was the remnant Byzantine Empire-- loot from slaughter.
The roots of America's animosity goes back to the Barbary Pirates.
Oh, and that ‘invention of the zero’ thingy? Stolen from the Dravidian culture by the ‘religion of peace’ whilst in the process of committing literal and cultural genocide.