I get it, you hate Apple. And your blind hatred makes you impervious to learning anything about what is being discussed. Why, what is more fun than stupidly babbling "Apple sux"? It's quite Avant Giarde these days
Of course, there are the more educated folk who look back and say Bluetooth 4.2 specs allowed for subchannels to carry additional audio codec information to allow for better audio sound via Bluetooth; but few if any Bluetooth receiver chip manufacturers supported this standard.
Most didn't know that Apple purchased a silicon development company that specializes in developing ultra low power Bluetooth receivers and made the Apple W1 chip that allows the iPhone to transmit MP3 and AAC files directly to the headset, thus bypassing any Bluetooth audio limitations. The music is decoded in the headset, on the W1 chip, just the channel information that left or right headset needs. What's more, by doing so digitally; Apple can add in equalization and active noise cancelling data- making their W1 equipped headsets noise cancelling by design.
But, hey; that's not nearly as much fun as saying "Apple sux", now is it, Boy Genius?
Don't really fit the Boy Genius moniker but the chance to chuckle at your response, yes, your meandering techno geek info, not nearly as much fun.
It was the closed proprietary code versus the open code that did it for me all those many years ago.
More recently, my wife just had to get an iPad and iPhone6 like my daughter. Of course my daughter was totally brainwashed by the profusion of Apple products in education and the fad culture of youth.
Over the past few years I have heard endless complaints about Apples. I cannot even help them resolve their compatibility issues. When they try to investigate, it appears nobody is able to help them. The only reason for the incompatibility is, it's an Apple. Apple's tact is to sell a new product.
Through 40 years in telecommunications I have installed digiboards, modem and other bus cards, added memory, changed processors, etc. on hundreds of PC's, but I have never cracked open one Apple product. My daughter has an IS degree and my S-in-L has a PhD in Instructional Technology. I'll stick with my PC's or droids. I have never had the need to complain about them at all.