If the Muslim leaders denounce these acts, they should do so on their own volition and because of their own recognition that it is against the tenets of Islam, not because some twerp like sirs thinks they should do so. On average, the Muslims that live in France are less observant than those who live in the Maghreb. It is a minority of the second generation that has become violent, because they cannot get adequate jobs and are poorly prepared to work in a technologically advanced country.