Just like I can put cases from arbitrary manufacturers on my iPhone.
> -use oil from arbitrary manufacturers
Just like I can use chargers from arbitrary manufacturers.
> -drive to arbitrary locations
Visit arbitrary websites...
> -use a universal port to get error codes (OBD-II)
OBD-II is actually a good analogy because it exposes only a small set of standardized data, but the more interesting data (and ability to run diagnostics) is sometimes behind a manufacturer proprietary protocol and requires something more than just the standard OBD-II interface. Similarly Apple can choose what standard interfaces and protocols to implement and which proprietary ones they would like to create.
> why does it change when you add a cell radio?
Because that's what Apple chose to build and sell. You're free to build your own phone with your own feature set and sell that.
> Don't fall for Apple's marketing
Fortunately I'm capable of my own rational thought.
Just like I can put cases from arbitrary manufacturers on my iPhone.
> -use oil from arbitrary manufacturers
Just like I can use chargers from arbitrary manufacturers.
> -drive to arbitrary locations
Visit arbitrary websites...
> -use a universal port to get error codes (OBD-II)
OBD-II is actually a good analogy because it exposes only a small set of standardized data, but the more interesting data (and ability to run diagnostics) is sometimes behind a manufacturer proprietary protocol and requires something more than just the standard OBD-II interface. Similarly Apple can choose what standard interfaces and protocols to implement and which proprietary ones they would like to create.
> why does it change when you add a cell radio?
Because that's what Apple chose to build and sell. You're free to build your own phone with your own feature set and sell that.
> Don't fall for Apple's marketing
Fortunately I'm capable of my own rational thought.