>So, fostering your skill just to let someone else capture all the value (minus your compensation)?

That's an unusal take on 'graded' certifications / degrees / training programs.

subject was about 'ungraded'/check things out in spare time.

open source projects : https://www.freecodecamp.org/news/open-source-projects-every...

Not everybody wants or needs to be an entrepreneur

In that case, they can answer "yes" to the question posed.

Sounds like an open source point.