Yes, I don't want ML deciding I am not fit to drive tomorrow, maybe I am not fit to have custody of my kids in one week according to the model. But, detecting

Yes, I don't want ML deciding I am not fit to drive tomorrow, maybe I am not fit to have custody of my kids in one week according to the model. But, detecting etanol levels in blood is a fairly well established set of processes that rely on well understood electrochemical reactions. I don't see too much risk of arbitrary unfair decisions from a dumb interlocking device.