@timsmalley If your work involves moving between random various places then public transport really is not quite an alternative, sometimes you need to go to a place not even a single bus gets, and that's fine*. But so many people are actually working in offices, and they drive their cars from the place they live in to some random business district in their city, driving up traffic jams along with them. For those people, public transit is definitely an option.
*edit: and an electric vehicle really is your only alternative to reduce pollution in this situation
@AndiPopp