How to design a city?

If the benefits are felt by society as a whole, and not exclusively be the private motorist then before you can say the motorist is not adequately contributing, you have to also establish just how much of the benefit they are exclusively receiving... who are you to consider the trip pointless? A commute to work is a day's work done. A trip to the shops is shopping done and people employed. A visit to (or drive with friends) is holding the fabric of civilised society together. Is any trip pointless - and if the absence of the car would mean that trip was not made at all is the car so bad?

Parable of the Broken Window. An enduring classic!

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Also, climate change denial is weapons-grade arse.