The first is what the article in the OP lays out: induced demand. If you make something easier, people will generally do more of it.
It’s dangerous to have people not paying the true cost of their own decisions. That’s already the case with driving, to an extreme (carbon tax now!!), but at least driving is really, really annoying. Annoyance is a poor proxy for driving’s true cost, but it’s •something•. Removing that backstop is dangerous.