In simpler language, Is it possible that people who always want to learn this and that skill to be able to survive never really become so wealthy in life compared to those who just want to be able to have money to be able to patronise the services of people who offer them?
There are welders like Jesse James, indie developers like John Carmack (Doom), musicians, athletes, actors are other associated forms of skilled labor who do attain relative degrees of wealth. CEOs, politicians, admirals, generals might also be considered skilled labor. Many with these job titles have little control over how their business scales. Skilled labor like Satoshi Nakamoto could see their wealth shift dramatically over the span of only a decade. With zero control or influence over the net effect.
The overall dollar value of skilled versus unskilled labor rests upon relative contributions to society. With the appraisal process being somewhat subjective and arbitrary. Labor markets have shifted dramatically away from skilled labor and specialized skillsets. Towards mundane tasks being in greater danger of workplace automation.
Time is yet another aspect. Living in a hamster wheel of paycheck to mouth, may not leave people with much time to focus on developing the specialized skillsets they may desire. Instead forcing them to choose from lesser options.