It is said that senior vassals Kiyotsuna KAIHO, Kazumasa ISONO, and Naotsune ENDO were against this, and one theory claims that the military advance against Nobunaga was made by recalcitrant vassals who were against Nobunaga.
重臣の海北清綱、磯野員昌、遠藤直経はこれに反対したといい、信長への進軍は反信長の家臣達の暴走という説もある。