Exclusive touch is bad on a device with room for another input device.
Also just as bad are those touch machines that also come with someone who holds a gun to your head and tells you to keep your hands of all alternative input devices. I'm sure all the machines we're talking about will be of that variety.
1 1 was a race-horse, 2 2 was 1 2. When 1 1 1 1 race, 2 2 1 1 2.