Apple has a bigger share of the blame. They purposely ignore any codec that is outside of their favorites, even if the hardware they ship does support it (i.e.

Apple has a bigger share of the blame. They purposely ignore any codec that is outside of their favorites, even if the hardware they ship does support it (i.e. Intel) or doesn't need any hardware support (Vorbis, Flac). On the other hand, they are quick to support any codec, that is problematic to implement elsewhere.