Accoring to Wikipedia and several other sites, Takenaka Shigeharu, also known as Hanbei, plotted an uprising against the Saito clan that earned him a position in Toyotomi Hideyoshi's staff. Apparently, throughout Hideyoshi's campaigns, Takenaka Shigeharu made so many contributions and was so tactically sound that he was likened to the Chinese strategist, Zhuge Liang.
Why is this? Discuss.