Rude staff at nandos rustenburg

Am currently at rustenburg nandos and the waitresses are so rude in a sense that I was not allow to swipe but made a means of paying with a cash because I was hungry.. They continuously gave me comments that were rude to a point that was told that am not even a regular at their store so I fail to understand that only customers that are regular should be the ones buying there. I know because of this pandemic everyone is stressed but that doesn't mean they should dish out their anger on us.. Disappointed customer