This was the most prosperous time for the Taira clan, as they dominated all important official posts, owned over 500 manors across the country, and gained huge profits from promoting Japan-Sung trade, and this led TAIRA no Tokitada to comment 'only members of the Taira clan should be considered legitimate human beings.'
この間、平氏一門は隆盛を極め、一族で主要官位を独占し、全国に500余りの荘園を保有し、日宋貿易を推進して莫大な財貨を手にし、平時忠をして「平氏にあらざれば人にあらず」といわしめた。