Americans have had guns since its birth, even if they live in one of the safest neighborhoods in the world. White suburbans buy whatever they think will keep them safe, even if the most dangerous thing they did in the last decade was drive to Target.

> And why are so many people still talking and being unhappy about race and ethnicity if that's a total success?

Because people who are citizens are being shipped to Texas even with their papers? A friend of mine was called the N word to his face by an ICE agent. Why would the existence of racism in the U.S. be evidence that immigration is bad? That's evidence that some people are racist and will blame all their problems on people that don't look like them. Nobody is denying that.

> Japan has a great cultural soft power too, however I don't know if many people would tolerate life in Japan

That supports what I said. They are a famously homogeneous culture that is difficult to live in, but still draws admirers through soft power. If you care about the values of your culture, it would behoove you to be seen favorably, and not run by fickle children who think 5% of the population is responsible for all their problems.