He didn't say billionaires live only in America. He was correct that China invested into wellbeing, and we have not. I've been to China, used their healthcare system - its not comfortable, but its cheap and effective. I omfe tried to estimate total loss to corruption in the US vs China - China had less.
Discussion
As a more abstract thinker, I say China has less, guaranteed, because their population is too big for their landmass and that situation can't exist with American inefficiency