Vodacom is penalising loyal customers with stupid add-on charges

Vodacom is *****ing from my account. When I renewed my contracts at the end of Jan 2021, first I was slapped with contract balance insurance which took countless phone calls to reverse from both my lines, now I am automatically billed for a 50% discounted 1GB recurring data bundle on the 8th or 9th of every month that also requires many calls to their call centre staff who pointedly refuses to reverse them. This happens every 2 years when I request my contract lines to be renewed. Why is Vodacom so dishonest and why do you penalise your customers with these ridiculous add-ons and stupid recurring charges?