Discovery Vitality stuffs up again!!!

I have had disgustingly *********** "service" from Discovery Health and Discovery Vitality in the last months! Battle to get hold of call centre - calls repeatedly get cut while I'm on hold Call centre agents are *********** My Vitalty was supposed to be transferred seamlessly to my new medical plan - they stuffed it up again?! And they are always " so sorry" but the stuff ups and incompetence just continue. I've lodged many complaints with Discovery, but it doesn't help.