Lyric discussion by tommyg 

Cover art for Waving Flags lyrics by British Sea Power

I like that interpretation regulus43.

I almost get the impression of them being at the pub watching the match with some mates. Some Czechs show up and they tell them they're welcome in the bar. Their race and country doesn't matter. Only their love of beer and sport.

And that's a good metaphor for the larger picture of the immigration issues.