Why could a self driving car be considered "too polite"?

Explanation:

While self driving one should know the basic rules of the road, there are many more unwritten rules or obscure rules that help keep traffic flowing smoothly and reduce incidences of road rage. If you can practice most of these, you’ll find your journey is smoother, you arrive feeling less stressed and other motorists will have had a better experience on the road, and this will be polite driving

the answer is slaves

douglas was a slave who turned into a statesman and he refused to celebrate the 4th of july until all slaves were emancipated or set free.