Earlier quoted context omitted.
This is true and somewhat infuriating. I have a $700 computer in my pocket and the best way to write a grocery list is on a post-it found in the kitchen drawer. I think it comes down to the human interface of a touch screen being slow, frustrating, and generally inefficient.
It's amazing that we have accepted this user interface for as long as we have. Imagine if touching your paper notebook the wrong way could accidentally erase it or share it with your mom.
O horror!