ABSA Rewards Epic Failure

I follow the ABSA Rewards program and ensure I get the most value. I was on tier 4 and in July decided to move to tier 5 by signing more ABSA products. I moved my vehicle loan to ABSA on 9 July 2019 in expectation that my tier will change to tier 5 from 1 september 2019. However to my utter disappointment ABSA decided to drop my tier level to tier 3 because they forgot to activate estatements for my new vehicle loan. I have lost total confidence in the ABSA rewards program. I have lodged a complaint with them but getting no help seeing that the mistake is on their side. Reference AR 98764. I need to know what is going on and when will his mistake be corrected. I called a few times and the last call on Friday 23 Aug they promised to call me back. The agent told me that if her supervisor did not call me back by end of the day, I could complain on Hellopeter. The promise was broken hence I am here. ABSA please let me know if I must move to ebucks.