Uh, yeah, they did. War is hellish and brutal. When Muslims kill each other, including civilians, during war it's hellish and brutal. When Christians kill each other, including civilians, during war it's hellish and brutal.
Is their 8th century death cult equivalent to Christian worship of the one true God? No. Is death in a war zone whether it be Europe, Asia or the Middle East equivalent? Yes.
True Muslims DO KILL in the name of Islam.
People have killed people since Cain. There is no eqivalence between Christianity and Islam when it comes to violence. It’s like saying Timothy McVeigh represents Christianity. .