If i recall correctly Woolies already tried this last year and they had to restock the Coke brand after their customers wanted Coke back.
It will be interesting to see who has the greater market power/brand Coke or Woolies/Coles.
People want their Coke, Fanta, Mount Franklin Water, Mother Energy drinks etc. If they get the Woolies/Coles Home Brand rubbish shoved down their throats they'll probably just go somewhere else to get it.
DYOR