Deep disappointment with FNB-bank

For years I have complained at FNB for refusing to allocate e-bucks to me, their response to me every time was comes down f@#%k you. If you don't own a smart phone, you don't qualify. Then last month, even though I did want to, I got a smart phone. Then I went to a FNB branch, they helped me to downloaded the app, then they show me how to go in to: Track my rewards; View my credit status; set up my smart budget; how to play ebuck games; how to open and read BIB books; I got a credit card and used it; my pension is paid into my acc; I have investments and a home loan. With great anticipation and looked how much I e-bucks I got last month. Their reply was: F@#%k you you did not qualify for e-bucks last month. WHAT !!!!!!! I don't know how to respond to that.