 On the radio channel Radio 1, he 
claimed that Angela Merkel should have led a European military coalition against ISIS/ISIL in 2015, that she was not a true leader, and insinuated that she could have partially prevented the attacks.De Wever was criticized for this by the leader of the SP.A, John Crombez, who said to be ashamed for the claim that Merkel would be the cause of the "great problems in Europe".De Wever's remarks were also countered by other Belgian politicians, as well as by a Flemish journalist.