1. Not Austrian but probably bosnian or kosovo-albanic.
2. 90% sure that they were already moderate muslims.
3. This shows geographically how Islamist slowly are taking over. Syria,Afghanistan, Iraq, Iran, Pakistan,etc very large pieces of land is a No-go Zone for anyone not muslim. Which is the case in part of many cities like Paris, Copenhagen, Malmö(sweden), Dusseldorf, etc, etc..