Can we also assume the employee can't read because it's written on the box.
If we assume that, then we can also assume the customer can't read what's written on the same box.
What I'm hearing is the increasing buck passing that now pervades society. It's always someone else's fault. Did the employee screw up? Sure. No disagreement. But where is the customers responsibility in checking a tiny box before leaving? Especially after seeing error on two previous occasions?
Fool me once shame on you. Fool me twice shame on me. Fool me three times I'm just not intelligent enough to engage in financial transactions of any kind.