Bad Customer Service

I called vodacom customer service and I got Lizzy Lamphiri who was knocking off at 22:00 and told that the manager or the supervisor is going to call me back. He did, the guy was so rude to me to an extent that he dropped the phone on me while I was still laying a complain, he didn’t even allow me to say how I felt on the service. I do not think the supervisor is capable of the the job, he does not know how to treat customers and resolve a situation. My question is how did he get this job without customer service skills. What he did is offer 19rand airtime as if I need airtime. Please Vodacom improve your skills or don’t hire any if you not going to train them. I need network coverage not some stupid 19rand airtime like am a student...... n***xxn