Because as everyone knows, GDP is _the_ indicator for well being of its citizens. Nobody in the US is in catastrophic health related debt, because the US's GDP grew so much <3
The median person and especially those in the top 10th percentile are fairly well off and respectively extremely well off in relative terms compared to people in other developed countries. To bottom deciles are of course not in the best situation but for the most part the rest of the population find it fairly easy to ignore that.
