Bad attitude about Smart Shopper Card

I would like to know if its against the Smart Shopper Policy that if a customer who forgot her/his card and ask another fellow customer for his/her card *******?<br> <br> Today at Canal Walk's PnP, a customer said to the cashier that she forgot her smart shopper card in her car. As I stood there behind her, my dad ask if she want to use my card. She agreed to it and with that, the cashier said it was against the policy &amp