I was thinking about this, since we live in New York City - one of the world's great pedestrian cities. *We* don't own a car. Half of NY fandom doesn't even know how to drive. And the only thing I can think is that all buses in New York - public, semipublic and private - would be, for lack of a better term, nationalized. (Civicized?) No one with a car would be permitted out of the city unless the car was fully loaded. If they have an empty seat, it will be filled. Anything that could hold people would be used.
And it would still be a logistical nightmare and it would still be futile.
There aren't enough enforcement officials to put this into place, even if any single person on Earth thought it would have a snowball's chance of working.
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And it would still be a logistical nightmare and it would still be futile.
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