I would love to agree with those people who say that upon actually visiting the US, the people I met were all scarily friendly
To stereotype the UK a bit, the further south you go, people are less and less likely to like being touched at all or just spoken to by a stranger. Even in the North it's nowhere near as... well, openly friendly as it felt in the US. Maybe that's just because I was a tourist and everyone's nice to money importers (tourists), but... meh
Seeing as this website talks about games a lot, I always thought that the reason that a British studio, (Revolution), made a game set in Europe (Broken Sword), with an American lead (George) is just 'cause nobody British would go up to a random person and just ask them how it's going
Oh and... The English language "historically" is not that great

From the Great Vowel Theft and the Decline in the Art of Spelling, the complete lack of formal rules about the Apostrophe historically, Shakespeare's great idea of inventing a new word in every scene of his plays and assuming everyone would know it, foreshortening, slang, and general dilly-dallying, it's not important the way you speak your language... it's just the fact that you speak