I am afraid I have to tell you that "None of the Christian churches or all of them together directed the deaths of millions of people", while correct, is only "partially correct", as the Crusades did happen. And if not death, pedophilia and other things. These exist everywhere, it is as much of a fallacy to deny that they exist in the church just because it is holy sacred and whatnot.
That's a list of what I usually need when I setup a new Linux PC. Sure, I gradually add more stuff, but that, alone, should be more than enough and there are obviously things to remove from that list in many situations.
You know that you can have a POSIX subsystem in the Windows architecture, right? I'm no fan of how Windows is made, but I see a place in the world for this wonderful project. A FLOSS reimplementation of something is always well-received.