I think I am correct that not one of the ISIS attacks in Europe was by a Syrian refugee.

The attackers were (in my memory) all Tunisians, Algerians, Moroccans or people who were born in the west who were radicalized in Belgium, France or Germany.

Blaming the Syrian refugees is currently the fashion; but seems based on ethnic stereotyping rather than facts.

Of course, that doesn't mean Chancellor Merkel will not feel a voter backlash.