> I now am starting to rethink this sentiment because the vast majority of the benefit of open source contributions on github, be they to languages, runtimes, application frameworks, databases, etc, go towards increasing the bottom line of for-profit companies, not to developers.

Isn't this kind of the problem the GPL is supposed to solve?

Sure, a company can build off an open source project to increase their bottom line, but they'll have to contribute back any changes they make. Which means their work is now benefitting other developers as well.

I feel like the GPL has somewhat fallen out of favor in recent years. To an extent I understand why, and yet...