He didn't kill the soldiers because they were North Africans and Carribean, he murdered them because they were French soldiers and they take part in the war in Afghanistan. He said he killed the Jewish children on behalf of his Palestinian brethren. What could be more Muslim than that? Can't understand your logic.
Arab MKs postpone Al-Aqsa visit planned for Sunday (Haaretz)
from the article: Toulouse shooting exposes rift between French Jews and Muslims