Rather, it is believed that this prohibition was actually a kind of protection measures for brewers who insisted that they were overburdened by the repeated large hikes in liquor tax during the Sino-Japanese War/the Russo-Japanese War in order to make them accept the tax increases.
むしろ、実際の禁止理由は日清戦争・日露戦争で酒税の大増税を繰り返した際にその負担に耐え切れないとする醸造業者に増税を許容してもらうための一種の保護策であったと考えられている。