Poor customer service and lack of leadership displayed by Store Manager

I walked into the Sinoville store after 3pm, took some wine and other groceries. Once done while waiting in line one of the two cashiers who was coming back from closing the wine section came to assist us at15:30, The cashier came back and refused to scan the wine in alignment with the 15:30 closure time. Had we not waited for her to come back we would have been able to make the cut off time. I called the store to explain to the manager and I was met with rudeness , condescending tone and an attitude,the manager had a nerve to tell me that if I was a woolworths customer I would know that they do not announce to already customers of the closure. It really does not make sense that cashiers leave their post to close the wine section while customers who have wine in their basket are waiting in line for the same cashier to return when the 15:30 cut off has already struck. The manager was not willing to hear me out instead she was sure to make it clear that your brand does not care for its customers and their concerns. It does not make sense for customers to be penalized for poor management of processes, why does a cashier leave her station at the same time customers need to pay while there are no other cashiers

I did not appreciate the managers tone and careless comments, I have been a woolies customer for many years, I spend considerable amount on a monthly basis to be disrespected like this.