Life without a car is not an exotic luxury at all, far from it, and all your points are just proving the point.
Cars are a luxury, from the amount of taxes paid towards car infrastructure to the social costs associated with “the car culture” (insurance, public health, climate change, etc.).
There are countless examples of urban and rural areas where alternative modes of transportation (LRT, bus, bicycle, ferries) are the norm and where cars are barely necessary/used.
Not every place in the world is Anywhere, USA…