Cell C sucks and the are unaccountable

Today i bought a R10 airtime voucher and loaded it when i got home and it was used. I then contacted the contact centre and spoke to a Maquoba(not sure of the spelling) and he told me to go back to the vendor. I told him its not my responsibility as they are the service provider and need to do something. Also i stay very far from the vendor so i cannot go back there. He also sent me an sms for when it was redeemed and the number. I told him its not my number and i will escalate the matter if he cant help me. He said the incident is unfortunate and he is sorry i feel that way. But i can do that if i want...dont agents even try to de-escalate anymore...i am actually quite disgusted with this service. I think im actually gonna change my service provider and yes its only a R10 but its a matter of principle...no accountability or responsibility taken.