Back in the day there were rumours that Intel has a gcc fork inhouse, and since it doesn't distribute it, it doesn't need to share it. Basically the same thing

Back in the day there were rumours that Intel has a gcc fork inhouse, and since it doesn't distribute it, it doesn't need to share it. Basically the same thing that is happening on GOOG apache-linux android etc, only GOOG offers services that do not involve the distribution of their custom GPL fork. AAPL is a platform company, so needs to distribute devkits for their platform, because that made MS powerful in the first place.