[toyg]

The wrench can be resisted by determined individuals; whereas fingerprints and face-recog cannot.

[ChuckNorris89]

The wrench does not represent physical torture, but metaphorical, basically representing a pressure point tailored to each individual.

[pessimizer]

People resist torture all of the time. The problem with torture is that there's often little reason to think that the torture would end if you give up the password, other than the word of the torturer.

[ChuckNorris89]

Like I said, the wrench is not physical torture. By pressure point I meant things like blackmail, threats against your family or loved ones, etc.

Everyone has something valuable to lose.