There will be no end to this battle of cultures until one is completely eliminated.
Problem is we have a major portion of the population who will excuse any group, any behavior until we no longer have the ability to fight them.
The enemy within is just a dangerous as the rag heads.
It would not end if the Muslims won, they would then turn on each other. A friend many years ago said the Jews had their reformation, as did the Christians, some day the Muslims will, and it will be very, very nasty.