[o11c]

Regardless of whether companies like Microsoft should be the final authority, it is indisputable that they try to be. So MAD only has one answer.

[justcool393]

I would dispute that pretty heavily. They're not, and obviously have never, claimed copyright over the DLL you made or whatever, nor the entire concept of linking to Windows APIs (as an example).

Mostly because that's, like the GPL, currently a way to get laughed out of court.