ago, they mostly stay in the European countries even when wars stop in their home countries. They have not plans to go back. Very different from majority of WWI/II refugees
Also, you really should read up on demographics for the region. Some estimates give muslim majority in about half a century. If you look at what trouble they already have with distinct
minorities, this is a very serious thing. Again you should watch the movie I linked to. It shows some of the things you can expect with radical Islam in a western country