If you really are having trouble understanding why some of us would prefer having the entire layout, or at least all four face buttons, displayed during a prompt, then I suggest switching your keyboard layout to a different format and attempting to type a sentence from muscle memory.
The QWERTY layout,
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The modern DVORAK layout,
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And if you consider that a false equivalency, Then all I can say to you is, using this controller, press "X".
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