years ago SQ figured out that if you rush down the aisles immediately after take-off offering everyone a couple of free drinks of so-so fizz or cheap wine they are less likely to cause you any bother at all... a warm glow spreads through the Y class cabin and everyone thinks about dozing off................
God knows where they got the "cognac" from - a direct feed from the fuel tank on some flights methinks - but hey! it was FREE