According to my source who has knowledge about Dr.
Kurokawa's way of thinking, the Japanese culture story is his personal opinion or dogma even before the report. The question is why it was made possible for him to express his personal opinion at a forum where he was supposed to represent an organization. I have seen this kind of uncontroled behavior several times under DPJ governments.

I also downloaded the report and checked some parts of it (no time to read through), and found that it is well written in analyzing institutional and organizational problems regarding nuclear energy regulation systems.
It has no reference to the cultural determinism Kurokawa version. But I feel that it should have pursued more about responsibilities of individuals who were in the position of doing something to prevent the disaster. Those individuals could have done many things even under an unhealthy or suppressing institutiona settings.

Michio Nitta
Kokushikan University