The law doesn't allow the operation of a motor vehicle if you're drunk or intoxicated. Why would the law allow the use of this device in those circumstances.

The law doesn't allow the operation of a motor vehicle if you're drunk or intoxicated. Why would the law allow the use of this device in those circumstances. Without too much thinking, there are plenty of reasons there many be legal restriction on this. Keep in mind that alcohol is involved in 40% or more of suicides. People usually think that they are acting with a sound mind, and in their own interests. Except that they often are not. This is ok when the consequences are less grim than death or permanent disability. People get confused, depressed, angry, drunk, high, or even have a psychotic break.