And it's not just Apple. In Google Play, try housekeeping your app collection, or re-install a specific app on a new device. It's technically possible, but the more apps you have installed in the past, the harder it gets.
All Non-Apple Lighting Cables require a official chip from Apple. So Tim Cook might say that DRM is wild speculation it is actually happening now with all their cables.
So in order to buy a adapter I MUST buy a cable with a chip from Apple that makes it authorized.
EDIT : I guess EFF are wild speculators?
"To its credit, Apple has been adamant it won’t use the new design to restrict your listening experience. But therein lies the problem: you shouldn’t have to depend on a manufacturer’s permission to use its hardware however you like (or, for that matter, to build your own peripherals and accessories for it)."
Currently "it’s impossible to connect a speaker or other audio device to an iPhone without Apple software governing it"
https://www.eff.org/deeplinks/2016/09/analog-last-defense-ag...
The analog output can never be removed from the chain, so to speak. This is the "analog gap", and also why it's not really sensible or possible to "encrypt" physical audio signals in a manner to prevent people from copying them, when the copying-person is also the intended recipient of the end-result.