@BillRM,
Would you want your children in a school bus driven by someone with a .08 BAC?
Would you want to have surgery on your brain or spinal cord performed by a neurosurgeon with a .08 BAC?
Would you want to be a passenger on a commercial airliner with a pilot and co-pilot who had BAC levels of .08?
Want to have your teeth worked on by a dentist with a BAC level of .08?
I mean, if a .08 BAC is so innocuous in your mind, those things wouldn't bother you, would they?
Operating a motor vehicle that weighs a ton or so, and that requires attention to the road, three mirrors, surrounding traffic, road conditions, weather conditions, traffic signs, traffic lights, etc., and that calls for attention, concentration, motor coordination, visual acuity, depth perception, fast reaction time, and judgment, couldn't possibly be impaired by a BAC level of .08, could it?