Maybe these dudes aren't informed on the matter....I don't know....there's hundreds of articles and videos discussing the stagnation and decline of European countries, along with the rise of Asian economies, and the great potential for Africa. This isn't the 1800s. Greece is broke. Spain and Portugal are broke. France is barely hanging on, mostly in part to its colonies. Ireland and Iceland are broke. The Nordic countries are doing okay but, the only real power players in Europe are Germany and the UK.
Except the center/power of the West is the US and the dollar and we got some time before decline. The major Asian economies are stagnating btw...most of the developed world is.