Income and class mobility aren't the same thing. In the UK, you can be born middle-class and become rich, and that's easier than in the US, but you'll still be

Income and class mobility aren't the same thing. In the UK, you can be born middle-class and become rich, and that's easier than in the US, but you'll still be considered "middle class". Upper is something you're born into. But the flip side is that almost no one cares about "upper class". My point is that the UK arrangement is better. The well-connected, the powerful, the wealthy and the hereditary upper class are different sets of people. In the US, they're the same set and it's a disaster.