This is also my hypothesized reason for the disparity in verbal communication skills between the average Americans and Brit.

If you watch a lot of TV from both countries you will see a very obvious difference in verbal communication. Americans (of which I am one) are so much less articulate when it comes English.

The difference is striking on The Graham Norton Show: almost every American guest stands out as less articulate. This is just one example. Another are interviews with regular people. That’s where it really became obvious.