This is why I will not convict in a drunk driving case if I am called for jury duty. I will only convict if there is a accident. The story you stated just leads to more drunk drivers on the road.
To me it is just another way to fatten up the government coffers while not doing anything productive.
BTW. Before I was tested the cop asked me why I seemed so nervous. I asked him to explain. He said "Well, you're shaking a bit".
I had to explain to him that I rolled out of bed, threw on jeans and hopped in my truck. I was in the white t shirt that I wore to bed and it was about 25 degrees out. I was shivering.
Guess being prone to the laws of thermodynamics makes one suspicious these days.
I felt like I was in Nazi Germany.