China is an advanced 2nd world country with pockets of first world.

Smart people in China design fast manufacturing lines for $25k/yr.

Smart people in the US design bond hedging strategies or ad-pixel trackers for $250k/yr.

China is in the stage the US was in 60 years ago, and eventually those high paying, high impact jobs will suck the intelligence out of all the "blue collar" work. Just like it did in the US.