They aren't poor refugees, the poor ones are still in camps in the middle east. You have to pay people traffickers tens of thousands of dollars to move from Syria to Germany. These are middle class kids. They are all men because the families invest in sending their eldest son to Europe to earn money and send it back home. There was even a load who flew back to Syria from Sweden when they realised they would be put in the standard government housing which poor swedes are put in.