The longer graph (starting at 1947) shows the shift in 2001 on more startlingly

https://fred.stlouisfed.org/series/PRS85006173

Corporate profit vs Labor income divergence (only up to 2018)

https://fredblog.stlouisfed.org/2018/08/corporate-profits-ve...

Fascinating. The 2001 shift aligns well with China's entry into the WTO.