I am not trying to sound like an apple apologist but really is the headphone jack that big of a deal?
Yes, it is. I listen to smooth jazz and blues in my 2012 Lamborghini.... okay, its a 2012 Honda Civic. Do you know how many station are on the radio that plays Jazz and Blues? Not many.
To hear music in my car I have to use a patch cable that goes from my phone to my car. Now I could have gotten a car with blue tooth or I could get a Bluetooth adapter,
So yes. If I couldn't drive to work listening to Jazz on spotify then my coworkers would really hate me.