Closed licenses are arguably better for certain left projects, particularly self-contained ones. You can use bourgeois legal nonsense to stop corpos from using your work.

I've seen anti-war people write open source code that ended up getting used to help fly war drones.

Even in Stallman's visions open source was not hostile to making money at all, as long as the tenets are followed. Also, you might wanna read economics.

Windows just keeps on winning

As for Linux, the word 'operating' in operating system is doing some REALLY heavy lifting here