She did point out quirks like if her hair isn't brushed it may not work etc. It could well be that the technology isn't polished enough for Apple's standard but I know when I see an Android user use it, I walk away impressed and questioning why my iPhone can't do that.
We're living in a post Siri, post Maps world. Apple is not concerned if software works before they decide to ship it.
The VP in charge of iOS Software Engineering was publicly fired over Siri and Maps.
Pretty sure they do care.
I'd really prefer for a different unlock method all together. I'd like my phone to be locked in case its lost/stolen, but I'd like it unlock faster. It's be fine wearing a Bluetooth-enabled accessory (ring,tie pin, device secured to the shoes/belt/pants/wallet in some fashion) that would bypass the lock because I'm with-in a given radius to the device.