Walmart serves all kinds of income levels of people, some of whom do not have a mobile phone (the poor, the homeless) and others who would have trouble using one (elderly). Requiring an app to track things going into and out of your cart is just not workable there.
Ultimately, it's cheaper to hire minimum wage workers to just deal with stuff. There's always going to be people so desperate for a job that they'll work there and get public assistance to cover what their paycheck doesn't.
Ultimately, it's cheaper to hire minimum wage workers to just deal with stuff. There's always going to be people so desperate for a job that they'll work there and get public assistance to cover what their paycheck doesn't.