Vodacom deducting debit orders early is theft

I am extremely disappointed in Vodacom. They have basically ****** from their clients by deducting debit orders early from their clients without permission-this is supposedly to help their subscribers during the festive season. In my mind anyone deducting monies early from my account is *****ing. The amount if interest that Vidacom will make from the subscriptions will result in millions of rands in their favour. I took this up with their customer care and the answer that I got from their collections department was then I don't have to pay later in the month. I find this highly *********