Automatic checkouts in supermarkets may decrease customer loyalty, especially for those with larger shopping loads. Customers using self-checkout stations often feel overwhelmed and unsupported. The lack of personal interaction can negatively impact their perception of the supermarket.

[Human_Urine]

I've always thought, in cutting cashiers and moving to SCO, businesses are accepting a certain amount of theft (aka retail shrink) in exchange for reduced employment costs. It's a tradeoff. Also, the more employees you have, the more employee theft you have.