You will have to back that statement up because this is not at all obvious to me.

If I look at the top US employers in say 1970 vs 2020, the companies that dominate 1970 were noted for having hard blue collar labor jobs but paid enough to keep a single earner family significantly above minimum wage and the poverty line. The companies that dominate in 2020 are noted for being some of the shittiest employers having some of the lowest pay fairly close to minimum wage and absolutely worst working conditions.

Sure, you tend not to get horribly maimed in 2020 vs 1970. That's about the only improvement.