I realize that. That was more of a DOS vs. Unix argument than a Mac vs. Windows argument, since I would assume what Rosti was talking about was Terminal. If I was truly using Unix as a reason, I would have to recommend Linux because it's a better implementation.
I still don't see how the Windows UI could be considered better, but maybe. I'm very familiar with both platforms, and I've always felt more at home and like I know exactly what I'm doing on Mac while I haven't ever been too sure on Windows. Concealed installers and vague file paths bother me.