The new iPhone doesn’t have a fingerprint reader to unlock.
Face ID on the iPhone X uses a “TrueDepth” camera setup, which blasts your face with more than 30,000 infrared dots and scans your face in 3D. Apple says this can “recognize you in an instant” and log you into your phone. (ArsTechnica)
While it is common to feel obstinate and antagonistic towards technical change there is one thing that this technical change will force.
Think about all the times and social settings where your phone is lying flat on a table and it’s socially awkward to pick it up. If you want to glance at the screen, maybe to check the time, a text, or even your emails. You simply press the home button and glance at the phone.
Do you now need to pick up the device? This micro-movement is huge, it open obvious and can even be a social slight.