He is saying its a fundamentally different business. A higher number of SKUs necessitates a much larger space and lower per employee productivity. A Trader Joe

He is saying its a fundamentally different business. A higher number of SKUs necessitates a much larger space and lower per employee productivity. A Trader Joes customer is willing to pay for customer service and a Walmart customer is not. As a society we may say well thats an unacceptable attitude on the part of Walmart's customers and then put them out of business. But at the end of the day its not like Walmart's executives would be the ones picking up the tab, its the customers.