Target missed the boat by about 15-20 years. I entered 4 or 5 different Target locations in Canada and none of them had a full grocery selection. Targets were basically Walmarts before they began converting to full grocery stores.
Therefore, shoppers had the option to either go to a Walmart Superstore and get everything they needed, or go to Target and get 80% of what you needed, the remaining 20% being available at a grocery store.
Beyond all the data logistics issues, Target would have never succeeded in my opinion as they couldn't compete with Walmart on selection (or Great Canadian Superstore for that matter).