So if pro Israel supporters carry signs of Mohammed in bed with a donkey as a way of showing support for Israelis, then the Imam would understand?
It might be time for the Jews in Europe to think about leaving for Israel or the US. I think something bad is coming, and the governments of Europe are either going to permit it or help it happen.
This and the obnoxious behaviour mentioned in the article would be perfectly with within the "norms" of European soccer fans. When you see them on the street of an European city, run for cover! (Unless you are doing the comparative study of intensive care units).