There is an opposite use case which will make me consider getting an iPhone X for a long time.
Every so often, I leave my phone at home and I need my wife to get some info from it. Or my phone runs out of batteries and my wife's phone is there, and I use to to make a phone call.
Oh. Thank you for pointing this out. It was not clear to me that this is the case. From a quick look at their initial marketing material, it seemed like the way to unlock it was to wave it in front of your face.
Every so often, I leave my phone at home and I need my wife to get some info from it. Or my phone runs out of batteries and my wife's phone is there, and I use to to make a phone call.
With Face ID, these possibilities go away.