Earlier quoted context omitted.
> Just because a technology can be useful doesn't mean it will have positive effects on society. You say it in a way that it sounds like automobiles don't have a positive effect. I don't agree - they have some negative effects but overall they have a vast net positive effect for everyone.
I think it's most obvious in hindsight, probably it was a long time (some decades) before cars were understood to have much of a negative effect at all. Nobody* thought much about air pollution (even adding lead to the gasoline) or climate effects, or what would happen when cities were built enough that they were then dependent on cars, or what happens when gas or cars gets expensive. All they saw was that trips taki…
What’s really interesting is that you can find newspaper columns in the 1920s recognizing what we now call induced demand as even by then it was clear that adding road capacity simply inspired more people to drive.