This was because the government had introduced foreign liquors with various preferential treatments and promoted to produce and consume foreign liquors made in Japan since the Westernization policy in the early part of the Meiji period, which finally resulted in the situation that 'buy foreign liquors made in foreign countries because you have already gotten used to the taste.'
なぜなら、明治時代前期の欧化政策以来、政府は数々の優遇措置をもって国民に洋酒を紹介し、国産洋酒の生産や消費を促してきたわけだが、その延長線上にやってきたのは結局「そろそろ舌になじんだころだろうから本場、外国産の洋酒をどんどん買ってくれ」というべき状況だったからである。