> they went with the two-OS strategy
No, they didn't. iOS and macOS are the same under the hood, the UI that you see and interact with is however different and quite suited to the task they are designed for.
> so touch support in macOS is non-existent
macOS has awesome touch support, just not in the way you think. It's not direct on screen touch manipulation of the interface, it's an indirect interaction via the track pad. So, you get to to all the gesture stuff with your fingers, but without getting your fat fingers in the way of the content you are trying to manipulate. Not to mention the finger prints that get all over the screen.
> no wired IO
Now you are just kidding right? They have four of the most versatile and standards based interfaces that you can get!