Another Rain disappointment. They never disappoint!!!

Rain customer service is the absolute worst. I cancelled my service because of connectivity issues. I was assured both through their WhatsApp bot and by a consultant telephonically that since my account is paid in advance the service would be terminated on 1: August 2025 and no debit order would run through my account. In true Rain fashion by 19h00 on 31 July the service had been terminated and I received confirmation from their couriers that they would be picking up the router on 4 August. Rain could not even wait for 23h59 to terminate the service. Despite all assurances Rain still put a debit for R589 through my account and their app says my account is in arrears and I should pay the amount. I had moved funds from the account on purpose suspecting this would happen. I am expecting a payment soon and Rain may actually deduct money that is not owing to them. How can multibillion rand corporation have such terrible customer service?