Earlier quoted context omitted.
> It's rarely an issue and can go about my life by foot. bike, and public transport. You are a very unusual person then, as the vast vast majority of people in not urban core Ireland have (and use) a car. I live in a Dublin suburb, and we're one of the few married couples that don't have two cars.
It's needed a lot less than people think unless you live out in the countryside. While it can be a bit inconvenient at times, in general it's perfectly feasible to not have a car in car-dependent Ireland. In the US on the other hand, it's needed a lot more.
A central problem in the US is transit between cities/states.
Since Europe was urbanized at scale long before the US, passenger rail networks were built out.
Most of the US grew with cars, and so that was just never developed.