Racism imho is one of the minor issues though, I'm far more concerned by the police state aspects of the US than the cultural details (such as everyone is fat woohooo).
And if you want to talk about shadow immigration, or people that fall through the cracks, Europe has plenty of that. You must know that. Take a look at the African immigration in France and Spain over the last 20 years, and then look at how many are under the radar. Europe also gets a massive amount of abuse from immigrants that leech off the social systems and never work and contribute properly, which is helping to make the looming EU bankruptcy even worse, which is amping up the rapidly rising xenophobia currently going on Europe, such that the Nazi Party is rising in Greece, and the extreme right is gaining in many nations.
The whoohoo on your fat comment certainly betrays to the flippant nature of it. 26% to 27% of people in the UK are obese, in America it's about 33%. Australia and New Zealand is around 24% to 25%. Chile is 25%. Ireland is 23% to 24%. Canada is 25% obese as well. Mexico is about the same as America on obesity. Clearly the problem is greatest in America, but it's hardly alone in the obesity problem.
If you've ever read the book, The China Study, you obviously understand why these countries have such obesity and higher cancer rates that, for example, China has traditionally avoided. However, now China is gradually switching to a killer western diet, particularly among the affluent, and they're seeing skyrocketing obesity and heart disease rates.
You're concerned about the police state aspects of America? So am I, I live here, and it's very disturbing. China is a police state almost by definition, but that doesn't seem to concern you at all. And the police state is rising all over the place, take a look at some of the police state actions and laws being passed in Britain where you practically can't step out your front door without showing up on a cctv.