Noah got drunk drinking wine (yayin) – God told him to enjoy it. Bible says that God gave wine to make men glad.
Wine makes us irrational, or does it? Even without it, there is much evidence that we are irrational. Halo effect, cognitive dissonance, Chameleon effect (mimicking increases/decreases likability), and so on and forth.
How else to explain Yo-Yo world cups since 1932?
Talking of irrationality, Trotsky conducted a thought-experiment about America becoming a Communist country. He predicted that, by 2037, America will produce a new breed of Man and in Communistic America, Americans will stop chewing gum in 3 years!