In other words, Japanese 'slave sprit' which was pointed out by them was a problem which was recognized by confronting the term "individual" ("individuality").
つまり彼らのいう日本人に見える「奴隷根情〔ママ〕」なるものは、"individual"（"individuality"）に照らされて浮かび上がった問題意識であった。