Indeed. But I’m wondering why the screener would even make such a ridiculous comment, although undoubtedly there are some soccer hooligans who can take things to ridiculous levels and there probably are some soccer hooligans sympathizers or critics — may be circumstance-dependent — who work in variiis sorts of jobs including that of screeners.

About the notion of racism in Germany, there are plenty of racists and racial prejudices in play when interacting with airport authorities of various sorts in Germany too. And not so rarely these sorts may also have sexist prejudices in play too. There are also various kinds of xenophobic and ethno-national prejudices still in play.