Politicians don't want to go against MADD, and business owners might not want to expand payroll to staff those hours where people are far more likely to get either violent or violently ill.
It's always seemed crazy to create a sudden spike in the number of impaired drivers.
What I'd like to see is a comparison of statistics from areas with early last call laws and other jurisdictions with later last call or no restrictions. It would be great to move past what feels good and use some actual data to make a our policies.