Clearly, you don’t know your history. The Maronite Christians in Lebanon were taken by surprise when the Muslims attacked. For more than 5 years, they had to hide in the rubble of their former homes, scavenging for food. The tiny number of them who were armed weren’t able to do anything, since the Muslim forces were being reinforced by Syria, I believe it was. Israel finally decided to help them, and invaded, pushing past the Muslim forces in order to rescue as many civilians as possible. And they even rescued the injured Muslims. Then, they reorganized the few Lebanese Christians that had military training and gave them better weapons in order to defend themselves long enough to get more civilians to safety. And that was after Lebanon, the Muslims and the Christians, had made their disdain for Israel quite clear. They still helped.