If you're putting out Open Source software for Linux and Mac, a Windows version shouldn't be that difficult.
If that's true and Apple still hasn't done it, then you can assume Apple doesn't care about the Windows platform. I doubt many people would argue with that assumption.
Especially since Apple has Windows development teams on hand to do the work.
I assume those development teams are doing things that are valuable to Apple's bottom line.
Since it is open source, you can do it if you want. Or Microsoft can do it.
Anyway, if you want it more than Apple and Microsoft then you can build it yourself. That's what open source gives you---the ability to take the code and run with it however you want.
You could even look for like-minded developers to help you. That's how open source communities get started.
But crying on Slashdot? That gets you nothing except ridicule.