Thanks for this; there was something in the logic that bothered me, but I couldn't quite put my finger on it. It was right at the moment when they said people

Thanks for this; there was something in the logic that bothered me, but I couldn't quite put my finger on it. It was right at the moment when they said people used to buy "bulky goods from local shops and department stores with their own" and then the next word wasn't "vehicles" (i.e. customers' own vehicles) but rather "delivery services" (i.e. stores' own delivery services). Wait, but...