That's not the case. I pointed out your specific picture is of an American store and therefore doesn't hold an value, despite it being a German chain (which you

That's not the case. I pointed out your specific picture is of an American store and therefore doesn't hold an value, despite it being a German chain (which you pointed to). I certainly don't doubt that some supermarkets are built in the way you are describing (with the checkout being like that) but I personally haven't seen one yet.