OK, first of all, of course they're religious. A religious person is simply one who believes in a mystical entity such as God, Shiva, Quetzalcoatl the god of cocoa, or Thor with the hammer. And many religions, of which Christianity certainly is amongst them, certainly are violent and definitely contains passages that condone violence.
It's about power, and people using religion in order to gain that power, whether it be activism against abortion or forcing Western interests out of the Middle East.
Western interests such as women's rights and the right to have abortions? Or to walk around without a hijab
? Most Western customs opposed by the Middle Easterners are opposed for religious reasons.