Someone named him incorrectly. There's no flag of Britain, only Great Britain's countries' individual flags and then the UK's flag (Northern Ireland is not on Britain).
Update, it appears that US Americans aren't too dub after all! Look what this whipper snapper had to say about
this video:
"America won the Vietnam war battle wise, but we lost the political war. I'm American and im pretty damn smart. we came out wit the FIRST airplane, first man on the moon, first car, and by far we have the BEST military."