[FullMtlAlcoholc]

> If people like it, why shouldn't they have it?

It may become the norm that even though it's still optional, society moves in a direction where people have it on by default, and you are met with confused/dissapointed faces when you explain it is uncomfortable. Or it simply becomes a cultural norm in the professional world

[mikeash]

I don't see why it would change anything in that respect. Like I said, you can already achieve this without Amazon's fancy new box by saying, "Answer your phone when I call or you're fired."