https://support.apple.com/en-us/118249
Hilariously,
Transferring your library and playlists to Apple Music is available in Australia and New Zealand.
Apple — Transfer your library and playlists to Apple Music
maybe some type of regulatory requirement
I think it’s likely more of a “we don’t want our [US] customers hate us if this is shit, so AUNZ it is for now”
Transferring your library and playlists to Apple Music is available in Australia, Brazil, Canada, France, Germany, Mexico, New Zealand, the United Kingdom, and the United States.