Imagine being so helpless you can’t figure out how to get a week of groceries 2km to your home without a car.
a week of groceries 2km
To be fair, that’s a stupid, pointless hard mode, regardless of having a car or not. If your city is designed correctly, it should be more like taking a day worth of groceries 200m.
Economies of scale and specialization of shops mean that even if you get your noodles and tomatoes from the corner store each afternoon, you’re still going to want to go someplace else to stock up on 40lb sacks of basmati and chickpeas. And maybe you want to visit the farmer’s market on the weekend, which cannot be on everyone’s streetcorner.
I use paniers, and every 2-3 years I get my bike trailer out of the closet. I can carry 90 litres in my panniers and not even notice they’re there.