AskHistorians does not agree with you. I find their sources quite credible.
http://www.reddit.com/r/AskHistorians/comments/1w3e4v/how_dr...
http://www.reddit.com/r/AskHistorians/wiki/health#wiki_drink...
http://www.reddit.com/r/AskHistorians/comments/1w3e4v/how_dr...
http://www.reddit.com/r/AskHistorians/wiki/health#wiki_drink...
I'm not one of those who claim beer was drunk instead of water - I'm just pointing out that the more positive association of alcohol compare to other drugs does have some kind of possible historic and scientific basis.