Inefficient processes and uninformed staff

I am a foreign national living in South Africa. I app**** for the BA credit card, that is operated by ABSA, to collect Avios. The process initially took a month and a half. The bank first cancelled my application in error. Then there were a number if issues with supplying my documents. I sent the same documents numerous times, including having to go to the branch to have my passport verified. Today (after using the card for 2 months - yes it was finally approved) I learnt that the verification of my ID and proof of address are missing on the system. Furthermore, while still at the application stage there appeared to be 2 applications on the system at ABSA under my name (remember they cancelled the first one in error) so every time I called customer service I had to first argue for a few minutes as I would be told (repeatedly) that the application was cancelled. But there was another one. All in all I spoke to ABSA numerous times, went to the branch a few times. Today I spent an hour at the branch trying to register for online banking (after being informed I needed to go to the branch as several attempts to register online failed because I have a passport number and not a RSA ID). The branch was unable to help me. We called the customer helpline, I was told to register online using Chrome (which I did previously). I returned from the branch, tried registering online and received the same old error message. I call the customer service and I'm being told that I must go to the branch as they are unable to help me. God! Please help me! Oh, the statements I receive via e-mail have no itemization of spending, only the total amount due. This is the worst and most inefficient service I've ever experienced. Some member of staff have helpful or at least tried, others were simply rude. Overall I think the systems and processes in place at ABSA are extremely inefficient and painful, if not preposterous. I would urge anyone not to go with ABSA.