Earlier quoted context omitted.
Think the double question mark is a tad disingenuous there. Everyone will have their own peculiar circumstances. We, for example, are a family of 4 and our shop for ten days is I would guess 30/40 kilograms. The grocery is 2.5 kilometers away and the journey includes one very dangerous roundabout. So I think a car is reasonable.
> The grocery is 2.5 kilometers away and the journey includes one very dangerous roundabout. Well, if city is so poorly designed that it requires cars, then you will need a car. For comparison, I have small supermarket 250m away (on the ground floor of an apartment block) - and I do not need to cross road to get there. And withing 250m there are several other shops like bakeries, pharmacies, haidresser, convenience s…
The other big factor that people miss in these comparisons are schools. Generally speaking housing in dense places with good schools is usually very expensive. People that can't afford that typically have the choice between crappy urban schools or good suburban schools. Most of them choose the good schools.