This doesn’t mention Stalin or Mao.
Yeah, it’s basically “If you keep calling all of the stuff I like ‘communism’, then I guess that makes me a communist.”
To use your car analogy, using Windows is like using a car that has the hood welded shut and can only be opened with a special key that only the auto manufacturer has.
You can’t repair it yourself. You can’t just take it to any expert to get it fixed. Only the manufacturer can fix it, because the source code (or car hood) is closed.
FOSS isn’t about “corpo hate”. It’s about freedom. There’s a philosophy behind it. You can, of course, disagree with it, but I think you should know what you’re disagreeing with.