He probably thinks the terrorists were right to knock off Charlie Hebdo. He hated Charlie Hebdo. It would definitely go against the grain for him to allow himself to have anything to do with honoring them.
Watching football was his way of showing them the finger.
Nah, he didn't go because no black people were killed. Except for one of the Mozzies. He'll probably have Holder investigate that one for possible violations by the racist, white French swat team.