It's important to distinguish between the large majority of peaceful muslims who live here and the articles of faith within Islam itself.  Couillard is walking a very fine line when he criticizes Islam as a faith.  Islam should be criticized in the same way all religions should.  There are articles of faith in Christianity and Judaism that deserve criticism. too.  

One view of jihad, for example, may be found here: http://www.thereligionofpeace.com/pages/quran/violence.aspx.  

Western muslims may subscribe to another view: 
http://islamicsupremecouncil.org/understanding-islam/legal-rulings/5-jihad-a-misunderstood-concept-from-islam.html?start=9

Clearly, these views come from a reading of the same texts.  That they can be interpreted so differently shows that in the Quran itself lies the problem of Islam.  That the attacker mentioned in the article was surprised (and possibly disappointed) that he wasn't killed is a clue as to what version of Islam he believes.