Why is there no government guidelines on getting the right balance of alcohol?

We all obey government food pyramids that show us how much carbs, fat, protein we should eat daily.

But where is the guidelines that show us the correct beer/cider/wine/spirit amount we should be aiming for? Even a fruit to grain ratio ratio would be handy, eg 1 glass of wine for every 3 pints of beer.

Thoughts?
Why is there no government guidelines on getting the right balance of alcohol?
Why is there no government guidelines on getting the right balance of alcohol?
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