They run the same kind of stops at home--trying to get people to use seat belts and not use cell phones.
That would be similar if they let your drive away without your belt on while talking on your phone...it's not the offense. The offense is real 'cuz one shouldn't drink and drive. It's the non-enforcement and seemingly non-importance of it after being fined. More of a game of "Gotcha" rather than a concern for safety
