I have too much respect for the characters I play to make them anything but as real as they can possibly be. I have a great deal of respect for all of them otherwise I wouldn't do them. And I don't want to screw them by not portraying them honestly.
Religion was used as an ideology as a system of control. When they forced the veil upon women they were using it as an instrument of control in the same way that in Mao's China people were wearing Mao jackets and women were not supposed to wear any makeup.