Kind of funny how you completely misunderstood the text. "unable to extract first-world living conditions from the materially richest country on earth" refers to the DR Congo, not the United States (check the link). The United States actually is a first world country.
Some other mistakes I frequently see Europeans make when grandstanding about the US (but refusing to do even 2 minutes actual fact-checking:
-US social welfare spending per capita is higher than any EU country. -There have been massive urban renewal projects in the US, for decades.
-US social welfare spending per capita is higher than any EU country. -There have been massive urban renewal projects in the US, for decades.
That would suggest we are misspending compared to Europe if true.
An article by Nyan Sandwich on More Right.
This is the section that I am particularly interested in discussing, building better models of this has clear consequences for futurism as well as ambitious effective altruism: