Instead, by acting like a court noble and making connections with the Imperial court by inviting court nobles who had escaped war in Kyoto to Yamaguchi, Kyoto culture flourished in Yamaguchi, leading to the establishment of Yamaguchi culture (Ouchi culture).
むしろ、自らを公家のように振舞うことで、京都の戦火を逃れてやってくる公家を山口に迎えて朝廷とのパイプを作り、さらに京都文化を山口で開花させて、山口文化（大内文化）を創出させた。