It is practiced by illiterate goat herders who would be intellectually challenged to change a flat tire. Consequently, when they are told that they are impoverished and repressed by Western infidels and Jews, they believe it. They are told that mighty Allah will save them from their horrible, unjust plight through holy Jihad, and they believe that.
Fortunately, this is a condition which is highly treatable with the proper dosages of napalm and shrapnel delivered at regular intervals.
And in those cases where napalm and shrapnel resistance has emerged, marked improvement after treatment with W-88 suppositories containing a critical mass of fissionable metals has been demonstrated.