There was a high probability that the scheme would have been successful if Kenshin had gone up to Kyoto (he could have ignored an uprising of Ikko sect followers in Kaga Province because there was a sea route between Wakasa Province and Ecchu Province and the Uesugi clan had Suigun (warriors battle in the sea), moreover, he could probably have obtained cooperation from the Asakura clan in Echizen Province and the Isshiki clan in Wakasa Province who were the shogun's retainers), the Miyoshi clan and the Matsunaga who were cautious about Kenshin sent enormous amounts of tributes to him.
上洛が出来さえすれば成功の可能性は高く（若狭・越中間は航路があり上杉氏には水軍もあったため加賀一向一揆は無視できた。また、幕臣である越前の朝倉氏・若狭の一色氏の協力は得られた可能性が高い）、謙信を警戒した三好・松永から大量の貢物を送られている。