Leaving the sake brewing to free economy mechanisms might cause situations where small sake breweries would not be able to obtain genryo mai (a rice type used for sake production) and where big sake breweries would keep edible varieties of rice to themselves for brewing sake.
酒造りを自由経済原理に任せてしまうと、小さな酒蔵が原料米を確保できなかったり、大きな酒屋が食糧米を酒に加工して囲い込んでしまうといった事態が恐れられた。