They will form a welcome bulwark against Militant Islam. They understand it better than the vast majority of clueless westerners.
The situation reminds me of the time when Russian troops were poised to take Warsaw but waited in their tracks to allow the Nazis to kill Polish partisans inside the city, first.
Only after the city was cleared of Polish fighters did the Soviets move in.
Is the US waiting for all Christians to be murdered in Muslim lands before they move in and take action?