As it had been standard practice at that time that the chief of Dazaifu remained in the capital rather than relocating to the Province, Yorimori's action was incomprehensible, even taking into consideration the fact that he aimed to directly assume control of trade between Japan and Sung China.
大宰府の長官は現地に赴任しないのが当時の慣例になっていて、日宋貿易を直接掌握する狙いがあったとしても不可解な行動といえる。