Arrogant, rude, obnoxious Manager

I phoned Nedbank to ask them the requirements to change signatories. The rude man told me that I can't just come there because he was very busy and had appointments. I told him I was prepared to wait as it was a matter of urgency - but he refused to even listen. He is heartless, cold, callous and rude. I told him that staff will not get paid and that I had just been appointed to the post. He was simply not interested and instead told me that he had clients waiting to see him - as if I was a piece of trash!!! He was the worst "manager"that I have ever come across and he doesn't seem like someone who knows his job because he was not even prepared to listen to me. Maybe if all of us who have accounts at Nedbank in this branch took our business to FNB or ABSA, it will make head office sit up and wonder why we are all taking our business away. I know of many other businesses in this area who faced this rude manager and treatment by this branch. Nedbank if you care, then dare to phone me as I'm very frustrated. He said he can't even see me until THURSDAY!!! And that was it!!! Finished and done! He is spoiling your image and reputation Nedbank. Do something about it please.