Ironically, a lot of the world has seen the USA do this to everyone else for a while too. Too a lesser degree to their anglophone friends of course but the rest of the world is alien and unlikable all the same (with just as little arguments as you see in the political divide). I suppose one could argue that the isolationism/tribalism has simply expanded inwards as 'the rest of the world' has already been put in the '…
I doubt the phenomenon has anything to do with the US in the ROW. Here in NL, a NATO member, it has been primarily the 'left' which has been painting groups with different opinions as 'nazis' 'fascists' etc. Vegans describing other people as murderers. I blame this culture for our last political murder [0] which already happened in 2002. This phenomenon is not new, I think it has to do with the dissolution of the USS…
You hit the nail on the head. USSR's failure and realization that they only survived as long as they did because they stole everything from the G8 countries and had slave labour of gulags.
Add in China's 'special economic zones' which is basically China implementing capitalism in a safe way. This implementation of capitalism has enabled them to greatly boost their economy. Unfortunately causing hyper globalization.
Communism demise has lead to them been rebranded countless times now. Fundamentally the collapse of communism worldwide has created lots of frustration. Which is a feeling that's built in to the animal kingdom. The unfortunate reality of this frustration is that almost certainly will result in violence.