[luizfzs]

With a side of car-centric city planning where shops are often far from where people live, so everyone just drive everywhere.

Also, with a pinch of pedestrian-hostile design, where some places don't even have sidewalks.

[galangalalgol]

Pretty much every neighborhood created between 1940 and 1990 has no sidewalks, and even after that the zoning is such that the only place you can walk is to other residences.