Some speculate that since Kura no Suke's primary focus was the restoration of the Asano family and received criticism from other retainers about extending the raid, 'To make the raid was not a part of Oishi's intention at first.'
内蔵助がお家再興を第一とし、討ち入りを引き伸ばして家臣に不評を買った点から、「初め内蔵助には討ち入りを行う意図は無かったのではないか」という推測もある。