The principle is the same, isn't it? One doesn't need to buy a can of Irn Bru or a bag of Fudge Doughnuts, there are alternatives. In the same way it is nice to occasionally have a bottle of wine, don't need it, nice to have.
My preference would be proper labelling,so we know exactly what is in the stuff you buy. Currently, that doesn't happen. As you say we can all make our own decisions.
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