Ford doubling his minimum wage is simply an example of capitalism (not government) raising wages. This is why capitalism is the greatest economic system (by a mile) ever devised.
An increase in aggregate worker productivity isn't necessarily an increase in the ability of workers; most productivity gains are attributable to capital investment. If you took a productive modern worker back 500 years, they wouldn't be much more productive than the locals of that time, as they'd lack the tooling, machinery, resources, equipment and factories that magnify human productivity today. It hence makes sense that the gains from rises in productivity wouldn't all accrue to workers, as the gains result from the actions of business owners investing in better means of production, not from action on the workers' part.
All productivity gain is the result of capital investment. That doesn't mean the benefits should not accrue to workers. Who do you think is provisioning, configuring and using the machines that result in that gain? Shareholders?
There are far more failed socialist regimes
Capitalism can have many forms. It’s worth and necessary to think about how to implement it.
Yeah every time I hear the phrase "late-stage capitalism" I roll my eyes.