The former are "relatively" absent as are the Chinese - relative to their population size. The latter, I dunno. The Japanese & Koreans spend a good bit of time in the mountains but end up as footnotes for many reasons.
Shhh. He'd prefer to mock something so he doesn't have to confront potentially disturbing thoughts such as "perhaps a free-market doesn't cure all ills"
The dirtbag demographic exists in the US too, I think perception increases it's visibility overseas. If there aren't rich climbers in Europe who pays to support all the guides?