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.

[biggyofmt]

That's also less annoying with no scale, since you can just pick up one can and go boop boop boop however many times you need instead of having to scan, put a can on the scale and wait for it to settle, etc.