For the most part, the only contact that most Quebecers have with the world of Islam is through these images of violence, repeated over and over: wars, riots, bombs, the attacks on the World Trade Center and the Boston marathon... The reaction is obvious: We'll have none of that here!
Civil movements and riots are as old as human civilization. Long before Twitter was created, mobilization of the discontented was mouth-to-mouth, or even by 'smoke signals' to gather the uprising against established political power.