There's a nice virtue to this, also. Build walkable and bike-able places and you're building public spaces to be shared. If you only embrace a car-driven model

There's a nice virtue to this, also. Build walkable and bike-able places and you're building public spaces to be shared. If you only embrace a car-driven model of development, "public" spaces are to be competed for (e.g. you stole my parking spot, you cut me off, you're in front of me driving too slowly, etc.)