I dunno, how about the horrible privacy practices of most cars nowadays? Bluetooth allows connection, sure. It also allows data to go between the device and the car. An aux jack can’t do that.
An aux jack can’t do that.
Really? Because there are aux jacks that allow for voice and volume control. Seems to me like they could make one for “real data”.
Well, if they can, that’s interesting. But the method used to control volume and a mic are a hell of a lot simpler than transferring data. You’d need an expanded jack with extra circuitry afaik.
At that point, you’re over to a usb cable, which is where all this starts.
I mean, it’s all just electrical signals. They could simplify the data for such a transfer. The volume and mic do have an extra wire or two in them, but those are still made no bigger than those without, and the jack just has an extra ring or two on it for the connection. Most everybody is oblivious to the presence of those rings. So, I would say it’s totally possible, but is it worth it money-and-effort-wise?