> People want groceries as cheap and fast as possible.
    > They don't go to the grocery store for social
    > interaction and forcing the majority of people to pay
    > extra for something that only the minority get value out 
    > of is not a competitive strategy.

Spoken like a true New Yorker.

(... or some other big American city, but it's more impressive if that's right.)

The parent commenter describes something I immediately recognise as "very European"; there's room for both of you.