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Re:Fingerprints are usernames, not passwords (2013) by TwoBit on Friday September 15, 2017 @04:04AM (#15255457)
If a malicious actor will cut off your finger, he'll also put a gun to your head and demand the password... which you will no doubt give him.
Re:Fingerprints are usernames, not passwords (2013) by bighi on Friday September 15, 2017 @10:10AM (#15257251)
And it's much easier to point a gun and demand the password.

The psychological detachment required to cut off a finger significantly lowers the number of criminals that will unlock your phone against your will.