Compared with the past wise heads of the Tsutsui clan, he was mediocre in wisdom although he looked better in appearance, and he ousted Sakon SHIMA, an excellent vassal, after believing the false charge made by Hidesuke NAKANOBO against SHIMA.
しかしこれまでの英明な筒井氏当主に比せば見目は良いものの平凡な人物で、中坊秀祐の讒言を受け入れて名臣の島左近と対立し、これを追放してしまう。