The generations who had been born before the 1960s were often forced to drink sanzoshu by older drinkers at dining parties or other opportunities in their younger age, and they had believed that sake was 'something that caused headache or nausea' until they became middle-aged.
1960年代ごろまでの生まれの世代は、若いころにコンパその他で三増酒を年上の酒呑みから飲まされ、ああいう「飲むと頭痛や吐き気がする」ものが日本酒だと思い込んだまま中高年になっていることも多い。