That's because US city planning and management are extremely car-centric. I go to a big supermarket 4km by foot and return in a taxi. Cabs are always queueing

That's because US city planning and management are extremely car-centric. I go to a big supermarket 4km by foot and return in a taxi. Cabs are always queueing near the exit. People who can't afford individual taxis or simply bought fewer bags, walk 20 meters to the bus stop to get a shared taxi or any of multiple city buses that pass through that street. Smaller supermarkets are even closer and tiny grocery stores are in five-to-ten-minute walking range for 80% of the city.