Wrenches are cheaper https://xkcd.com/538/ https://xkcd.com/538/ It only works if you're close, alive, your eyes are both open, and looking right at it. I doub

Wrenches are cheaper https://xkcd.com/538/ https://xkcd.com/538/ It only works if you're close, alive, your eyes are both open, and looking right at it. I doubt that degree of specific physical attack is in most people's threat model. It's only backing a 4/6 digit pin for most people anyway. Realistically, it's not the weakest link.