"yanks are just simple and just don't get the subtleties of English language and humour"

No-one said that, and I certainly don't think that. That's two tired old stereotypes in one sentence and anyone who has travelled to the US from the UK and vice-versa would know; they would also know there are plenty of cultural differences, and when we're in the US my American friends and us have a good laugh about them.

Ever heard Prime Minister's Question time?