It may be that Munemori was simply at a total loss for words due to Goshirakawa's flight from the capital, and that is why he neglected to notify Yorimori of the developing circumstances; however, for Yorimori it was as if he and his troops had been abandoned at the front lines.
宗盛にすれば後白河に逃げられたことで混乱の極みにあり、単に連絡を忘れただけだったのかもしれないが、頼盛にしてみれば前線に置き去りにされたようなものだった。