Vodacom customer (DON'T) care department failing normal people.

I have tried to reach Vodacom Customer Care for almost a week to solve a data issue on my account, but to no avail. There tin brain voice send you in circles - only to let you know that they 'are not available'. Why do they even have a customer care line? I have tried via email - but the response of the person that sends me back an answer is only to copy another person with an instruction to assist me. Which NEVER happens! After 17 years with Vodacom - it is time for me to change my cellphone network provider.