Rudeness ,bad attitude fro cashier

Clicks Kagiso mall,today around 8 am i went to purchase,there ,we standing on the line while only one cashier this cashier no name tags also she was wearing black top black and brown hair picok hairstyle ,while standing we standing there also ederly people i had make sure they must go and pay we where standing for long time while a lady from capitec, akcakamers they just went to your cashier while she the only cashier i even went to her told her its wrong because this lady shes doing her shopping like us as we also in a hurry to go to work the attitude from click cashier singing that its still in the morning we a making noise while us as customer we not suppose to complain and this not the first time while the line a long other people from the centre from shopprite they will come even they have knock off they will come with family members to shop and tbe dont stand on line we must accept that last pogiso also gave me an attitude i wanted to complain but i let it go so this keep on continue so means all the people who work in the centre if tbey come they dont stand on the line so us the customer we must wait for them to be served and also the attitude its bad doesnt mean if the shop its not in the suburbs we dont know our rights and big customer there i always shop there bad customer service its a no to me ,my question is for people working in there center for them not to be on the line it was done during covid time all the shops but now covid no longer must it continue ? If so the shop must have a cashier and a sign to sat only people working in the centres only that way we will understand but for now attitude rudeness wont tolarate