It's not like the Germans don't do nazi salutes at the French football teams.
Soccer is a bloodsport in most countries, literally.
People are killed.
This is why much of the world doesn't like that we don't care about their stupid nationalist racist matches.
If games were a big event in the US, their adolescent pranks might mean more.
Yeah, can you imagine Americans throwing beer at a Braves game?
HEY! WHO THE HELL THREW MY BEER?