[suprfnk]

Being by far the most convenient way to travel from home to pretty much any random location.

Speaking from the Netherlands with a relatively good public transit system.

[hgomersall]

That's not an externality. That's what you pay for.

[baggy_trough]

Other people, not just you, also benefit from your increase in flexibility.

[earthling8118]

It's not the most convenient because of cars. It's more that the other options are less convenient because of cars.