I always thought that physical 'controllers' are much more reliable and secure - what are the reasons behind using touchscreen to allow for manual navigation of the Falcon 9 rocket?
In terms of touch screens I'm not a person who has the actual knowledge why, but i can see two main advantages of such solution.
1. Less parts -> less failures. 2. It is easier to develop/update the interface, as you don't have to make physical changes to the layout with every iteration.