I'm not sure of your point here. Not sure why multiple implementations is a benefit for users. Audio is generic and hardware is cheap enough that the operatin

I'm not sure of your point here. Not sure why multiple implementations is a benefit for users. Audio is generic and hardware is cheap enough that the operating systems just implement and include drivers. It's a cross platform library that meets audio needs, including 3D/spatial audio, much like (and designed like) OpenGL.