Vodacom treats it's loyal customers like ****

How can Vodacom treat it's loyal customers like this?? My phone is due for an upgrade, but have been told by vodacom that I only have 500 points in my "portfolio" and will need to pay in over R2000 to upgrade my phone/contract. I have two accounts with vodacom and have never missed a single payment for the years that I have been with them. If I was a new customer I would not have to pay in but you penalise your loyal current paying customers to simply do an upgrade that is due to them??? What kind of bull**** is that? Time to move providers I think.