its a missed opportunity...
Bluetooth is getting better but it suffered form being hyped at launch then not delivering what it promised.
It is getting better, but if you look at the amount of work that went into the standards and how hard it is to get two bits of Bluetooth talking to each other then it is obvious there is still a way to go. Personally i am convinced that some of the larger phone manufacturers are deliberatly crippling thier Bluetooth implementaions so that you cannot fully utilise thier handsets with 3rd party headsets.
One thing that continues to fustrate me is headsets, it really strikes me as dumb that the vast majority of headsets for phones (i.e. Bluetooh handsfree sets) cannot work as a headset Microphone combination for a Bluetooth equipped PC. I know WHY (Different profiles are used for a headset to an audio device).
Interestingly the Bluetooth SIG - the people who develop and promote the standard are well aware of the public perception...I'll stop there.