He had so much work. All the jobs taken on by each nation’s Daimyo and citizens had to be classified from A to D rank, and then each village’s characteristics had to be carefully taken into account to figure out which one was most suitable for the allotment of labour – and then there were the Chiefs of the Union,
the Five Kage’s consultations. They used him for everything, to the point where he even ended up being a shougi partner for the old Tsuchikage.