It's fast, does what I want almost all the time with no extra guesswork, and runs all the software I need to run without having to monkey around with WINE.

I love Linux, I love Linux desktops, but they cut into my productivity because I spend time fighting <esoteric edge case> rather than getting my work done. Windows (mostly) just gets out of my way. It's cases like this - when it gets in my way - that make me reconsider it.