In those days, sake was considered to be something of a luxury because of the idea that 'sake was made of rice which should be eaten as food,' so that it was regarded as modern and preferable that 'the alcohol of synthetic seishu was not made of rice.'
「ほんらい食用に回すべきお米を酒にしてしまう」との発想から、酒が不届きなぜいたく品のようにも考えられた当時は、「成分中のアルコールが米に由来しない」ということが近代的で良いこととして解釈された。