MTN V&A Waterfront - Bad client service

Upgraded my phone yesterday and bought a cover which was placed in my bag with my new phone. Got home to realise the packaging was opened and the cover damaged. Went back to the store this morning to again arrive at the numbering system at the front door, this time not manned by anybody. Security guard from yesterday no where to be seen. Store is filled with customers and I am trying to fumble my way through the multitude of options on the keypad to get a number. A queue started to form behind me. One of the employees got up from his desk while with a customer and helped us get numbers, and then went to sit back down. No number, you don't get served. I had to wait one hour watching one customer after the next go through their upgrade process so all I could do was return my cover. There were only 3 sales people in the store clearly under pressure. I complained twice, but all I got in return was, \there are only 3 of us mam