The crime witnessed on video is not out of the realm of possibility, and some of the ultra orthodox think God gave them the land and is on their side. God is just a concept, no a physical entity, never a justification. Yes, I know, it is an age old game played out in the Middle East and elsewhere.
The Crusades, were organized by European Christians after centuries of Muslim wars of expansion. Their primary objectives were to stop the expansion of Muslim states, to re-claim for Christianity in the Holy Land , and to recapture territories that had formerly been Christian. And there was no love lost for the Jews (the “Christ Killers”) throughout the centuries.