Probably something like that. Apple has a lot of products that use their custom silicon that aren't Macs or iOS devices — think Homepods, AirPods, etc. I'm sure

Probably something like that. Apple has a lot of products that use their custom silicon that aren't Macs or iOS devices — think Homepods, AirPods, etc. I'm sure they have a whole team whose job it is just to create respins of their CoreOS stack + whatever happens to be relevant to the hardware device.