For the 1001th time, inequality is not by default a negative or positive thing. If it's the result of freedom and the market, then it is a _good_ thing. A rising tide, raises all boats.
Meanwhile in the non-facile analogized real world, real wages haven’t budged in 40 years https://www.epi.org/publication/understanding-the-historic-d...
https://www.advisorperspectives.com/dshort/updates/2018/10/1...
https://fred.stlouisfed.org/series/LES1252881600Q
Some of the data used by your source uses the year 2000 as a baseline. This was a highwater mark and feels like cherry-picking (caveat: it is a nice round number). This narrative was especially strong during the great recession, but it is not strong today.