[citation][nom]soundping[/nom]If smells alcohol on your breath will it call a cop on you?[/citation]
Police, lawyers, and government will love this, whether it does or does not. Police will request the data to arrest/fine people, lawyers will sue if someone drives drunk and apple knew, and government will have a more tool to control/fine/spy on people in the name of "safety"
Breathalysers has a very brief stint in bars, first to make people safe, until it lead to drinking more and owner's realized the liabiity either way. There is also huge difference between the $20 units people can buy over the internet, and the $500 units policy use.
Next up: blood samples, first for health, then for revenues