MS doesn't seem to think that long-standing programming practices have suddenly been outlawed, as it is continuing to implement Apple's proprietary iOS framewor

MS doesn't seem to think that long-standing programming practices have suddenly been outlawed, as it is continuing to implement Apple's proprietary iOS frameworks in Project Islandwood (https://github.com/Microsoft/WinObjC https://github.com/Microsoft/WinObjC). The ruling on API copyrightability does not set precedent in any of the courts that normally hear copyright cases.