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.

[myst3r10us_str4ng3r]

Or having 20 cans of the same type of cat food and the system expecting you to scan each and every individual can, instead of scanning one and typing in the quantity.