That has always been true, and for everywhere. However very few countries are anywhere near as accepting for foreigners as the US as a whole despite the many who are not. Canada is just as accepting from what I can tell - I don't know enough about Australia to know. Most other countries are far worse - though many will not admit it just how bad their country is.

That is a trivial observation. A nation of such size can hardly be a hive mind with totally homogeneous politics.