Imagine the following case. A hemophiliac that has not been drinking is stopped at a checkpoint and told to take a breathalyzer test. After refusal, the officer arrests the driver and takes him to the center for processing. During the process, the driver is cut or starts bleeding from the punctured blood vessel. The driver loses a lot of blood and possibly his life as no police personnel have any idea why he is bleeding so much. Liability, anyone? Lots of liability?
Like I said, social engineering is tough. The liberals like it until their trial lawyer constituency is let loose on them. What comes around goes around. They will sit around and ask the age old question “Who let the dogs out?”