>which is not the default state on any OS
Irrelevant. It could be intentionally or accidentally disabled by the user.
I don't know why you are so annoyed, but I know for a fact that average non-technical person is incapable of sharing files over Bluetooth on their own, and this probability of incapacity increases with age.
I don't know why you are so annoyed, but I know for a fact that average non-technical person is incapable of sharing files over Bluetooth on their own, and this probability of incapacity increases with age.