Jihadists and secularists: the world's best enemies?

Has the idea of secularism, enshrining the separation of church and state and the latter's neutrality in religious matters, been transformed into a secularist ideology and a national religion, bringing Islam under political control? This is the thesis developed by Jean-François Bayart in his latest essay "Les fondamentalistes de l'identité.Laïcisme versus djihadisme".