An imploding economy isn’t enough. Remember that Germany in 1918 had suffered a humiliating defeat and a peace settlement that they regarded as grossly unjust. At that time, they also had a proud military tradition, that has been all but eradicated now. They also have the guilt of that military tradition gone nuts when Hitler came to power. They also had the threat of a communist takeover. Where are the millions of young demobilized combat veterans, waiting in line at the soup kitchens, and looking for a convenient scapegoat? They’ll join in with the Muslims in blaming Israel for their misfortunes, make it unsafe for Jews to visit, and when they come to grips with the Muslims, they will not go down easily.
Gas chambers were actually a carefully constructed deception. People believed they were in a work camp, that they were just going to be deloused. You can’t do that to people who habitually think in terms of conspiracies, and who want to do the same to you. Paranoiacs make dangerous adversaries. In the end, they’ll be expelled, and go back home to Algeria to hump their goats.
I'm sure any muslim country would be delighted to accept these westernized muslims, (in exactly the same way that the all the good little palestinians were welcomed after they follows islamist orders and cleared out of Israel to allow their brother muslims free hands to murder everyone in the whole country)...