Can you think of a better way to definitively determine the true need for government intervention than to put forth a qualified candidate who shines a light on the many inadequacies that can not be resolved under the current framework?

Scan. Place the item in the bagging area. Pay. THEN BAG.

It’s a pain to delay people the extra 20 seconds after you’re finished with the transaction - except when you consider you’ll never trigger that error again & can still easily be faster than the person who started self checkout right before you if you try.