I think it's fortunate in a sense that the Islamic terrorists don't seem to have a clue how a western society works. They kill one teacher for showing some cartoons, and in response I bet those cartoons will now be shown in classrooms more than ever before.
Education is in fact the most effective sword one can wield against radical islam. That and secularisation of public institutions. After all, it has been working well to disperse that other cult, Christianity. Unfortunately there's some remnants left who seem intent on rekindling their atavistic world views by turning what should be a fight against religious radicalism into a fight between religions, which can only serve to make both stronger.