The Abo****e Last Straw - FNB is the worst bank ever

Why should FNB always inconvenience me like this? I was led to believe I would be better off with an upgrade on my Premier account to Private. The upgrade has led to me being downgraded on my ebucks reward levels. It has led to me losing about EB6000 for May18. If I were to book anything via ebucks now I would only be entitled to the 10% discount instead of my normal 30%. I suggest when you have your bankers phone us for upgrades that they be truthful. It's ********* to do business like this just to try and fill your pockets. I sent an email on the 13th of June requesting a reversal of the so called upgrade because it was clear that it wasn't as beneficial to me as was imp****. And I was ignored. Last week I got a call from FNB inquiring on my new credit card making it clear my request was being ignored. Again I told the lady cancel/reverse the upgrade with immediate effect. And it was clear this morning that I was still not taken serious. How can it be that difficult to restore things to the way it was? Can I hold the person who sold me the upgrade liable for loss off earnings and the discount downgrade?