I think it's just another example of pressure groups hectoring the general public. "Let's tax alcohol, lets tax sugar, lets tax trans-fats"
And in the last day or so we have had health professionals saying that if you wish to REDUCE your risk of living with dementia in old age then you should STOP drinking alcohol ENTIRELY once you reach middle age. I suggest that to reduce your risk of being involved in a road traffic accident you should never leave the house.