@aubilenon @inthehands Something I love about the touch bar is it's exactly the kind of thing I think I, and I suspect so many people, might have also got wrong.
Here's the idea! Tried out! Tried at enormous expense! You can actually buy the bloody thing (I mean – you have to, in fact for a few years) and use it and feel just how completely crap that genius idea you had turns out to be. It's okay – don't thank us.
The thing I imagine could work is track pad the size of the whole of the beneath the keyboard aluminium chunk, that's actually an oddly shaped iPad. It's a track pad mostly, with haptics, but it's also a piano keyboard, or a mixing desk, or room lighting interface, or a video splicing thing. Or maybe a drawing interface. Or so many f keys.
Go on Apple! Try my mad idea! Spend a billion on it!