How are they not arbitrary? Apple tells you a specific key to press, which is a choice. It is by definition arbitrary.
Edit: perhaps you're making the case that the user doesn't choose which key. This is true—but the important point is that one of the two parties did choose the specific key to press.
Edit2: For those downvoting, perhaps you could articulate why.
How are they not arbitrary? Apple tells you a specific key to press, which is a choice. It is by definition arbitrary.
Edit: perhaps you're making the case that the user doesn't choose which key. This is true—but the important point is that one of the two parties did choose the specific key to press.
Edit2: For those downvoting, perhaps you could articulate why.