FNBs service has declined esp pvt clients

FNB is not the bank they use to be. I have app**** for a private wealth credit card, approved, errors by staff. Then finally the errors and duplications are resolved and I’m yet to receive my credit card. I have never heard of a bank not wanting to give their clients a credit card. Right now moving accounts to another service provider like Absa seems like a good option. I can get cash back instead of e Bux