Scaramouche explains it all for you:

It’s clear that had Hossain’s last name been, say, Keegstra or Ahenakew--or even Boisson--the full weight of the law would have been brought down to bear on him.

But since he was neither white, nor a Nazi, nor a Christian, but is an Islamic Jew-hater, authorities decided to drop it lest they incur the acrimony of local Muslims, with whom they are endeavouring so hard to “build bridges.”