Post Office in Mthatha abusive and offensive

Had the worst experience I've ever had with any business at the Post Office at Ngebs Mall in Mthatha where my mom lives. The staff, particularly a guy named Sanele, was rude, abrasive, abusive beyond just being unhelpful and inefficient. He made my aged mom climb steps while him and a friend of his ran away from us and took the lift. He then proceeded to get very rude and abusive with me when I asked what his name was and said that I would like to lodge a complaint with his manager. When I got to speak to his manager she laughed at me all the time I was complaining and then proceeded to mock me for the reason I had gone to the Post Office. The experience was dehumanising and offensive and I have never been treated so badly by staff at amy place ever before. I decided to record their behaviour on my phone as well because I was taken aback by how brazenly offensive they were being. I dont know what else to say about this place or this experience