You know how to reduce drunk driving? Invest in public transportation.<p>Poor people won&#x27;t be able to afford self driving cars for quite some time. The US is a country where it&#x27;s very difficult to live without a car, except in certain major cities.<p>I&#x27;m not excusing this woman&#x27;s behaviour. She lacks major responsibility. But the world is full of irresponsible people, and building good public infrastructure helps in so many ways that there&#x27;s no excuse not to build it.