I am losing 2 gig of data because of RIGID Vodacom

Vodacom has very rigid unfriendly rules and regulations which favour only them Last night someone bought 1 gig monthly data which came with 1 gig night data, and they credited it to my number in error The phone I'm using is very old and damaged, I do not run applications on it I called vodacom customer care to ask them to help me swap the data. A very unfriendly consultant just told me 'their rules and options' do not allow it, I begged him to transfer me to someone who can help me. His supervisor came and repeated the same rules to me. Why call it a customer care centre when you really do not CARE? As a result of a small error on the side of someone who wanted to gift me with much needed data, and RIGID AND UNFRIENDLY RULES THAT ONLY FAVOUR VODACOM, I am unable to perform my functions that require the use of the data In a way I am forced to donate data to vodacom I AM REALLY ANGRY AND DISAPPOINTED AT THE WAY VODACOM HANDLED MY PROBLEM I will definitely discourage everyone I know from using vodacom