His positions have sometimes led to polemics, such as his qualification of France Inter radio journalist Daniel Mermet as a "Brejnevian journalist," head of Politis newspaper Bernard Langlois as a "repugnant journalist" (journaliste répugnant) and Rony Brauman, former president of Médecins Sans Frontières France as a "Jewish traitor" because of his criticisms of Israel and the US' policies.