... any human factors or UX expert knows this.
Touch screens only make sense for smallish devices - phones and tablets. Because the swipe and similar gesture use fine motor control that you execute with your fingers and wrists. If you try to do the same thing on a large screen in a vertical orientation like a 24" monitor of a desktop PC you have to use large muscle groups in the upper arm and shoulders to hold your arm out. This results in what people in the human factors and UX community call "gorilla arms" resulting in rapid fatigue, back pain, etc.
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