Bloodthirsty religious war is a leftist fantasy. The evolutionary purpose of religion is it helps a tribe win at warfare, especially if it is a superior religion. Envy is the root cause of tribal warfare. Leftists are driven by envy so they can’t handle envy being the problem so they blame the solution.
Does that mean that in wars, the side that wins has the superior religion? How does that work when the warring factors are of the same religion?