They even say explicitly that it is fine to use the code as a reference when building your own commercial code, as long as you don't include any of it.
I was, sadly, not surprised that people jumped to the opposite conclusion. It's well-known that Microsoft dislikes the viral nature of the GPL and its quasi-legal status. But hey, so do BSD enthusiasts; it's hardly a dislike peculiar to Microsoft. If I weren't too poor to be sued,
I'd be afraid of the GPL software sitting on my computer. Maybe it's infecting my resume or something.
