As a transplant to America I agree with the difference in cultures but to be fair, you're comparing "other places of the world," which tend to be much smaller a

As a transplant to America I agree with the difference in cultures but to be fair, you're comparing "other places of the world," which tend to be much smaller and more homogenous that the US, to a country founded as a loose federation of states divided largely along political and religious lines. Cultural diversity (and exceptionalism, etc) is all rolled into the DNA of the country.