On a more serious note, there's a big difference between a vehicle like a car that is operated by one person, and a ship with a large crew with dedicated tasks.
Each crew member should have been assigned the management and activation of a given portion of the touchscreen.
Morning briefing by the Captain: “John, you’ll supervise and operate the bottom left corner of the Touchscreen. Adam, as a left handed sailor, you’ll stand right to John and operate the bottom right corner of the Touchscreen with your left hand so there are no collisions in case of emergency”
On a more serious note, there's a big difference between a vehicle like a car that is operated by one person, and a ship with a large crew with dedicated tasks.