The touchbar is basically the 2010s equivalent of old-school function key overlays: http://www.hamstuff.com/Overlays/overlay.htm
It does also provide some useful feedback as it can display things, too.
It does also provide some useful feedback as it can display things, too.
I buy what people say that it's way better for scrubbing video/audio if you do that a lot (lots of people previously bought special-purpose accessories for the same)... and mostly worse otherwise.