And, to extend your silly analogy to its logical conclusion, imagine that as a result of that experience we declared a national day of "making sure black people know they can't push us around anymore".
The reason it's called an analogy is that it's not exactly the same thing. Afro americans are not swedish muslims, they are both more violent than the majorities in their respective countries and thus scary to old white guys tough. But, yeah, demonstrations are great to show contempt for racial violence and other problems, heard of these? http://en.wikipedia.org/wiki/Selma_to_Montgomery_marches.