The Walmart near me closes opens self checkouts based on demand. So when the store is crowded, all self checkouts are open and there is a line. When the store i

The Walmart near me closes opens self checkouts based on demand. So when the store is crowded, all self checkouts are open and there is a line. When the store is not crowded, half the self checkouts are closed, so there still is a line. I don't get why they would do this, but I absolutely hate it.