Was it established why TEPCO waited with the flooding, or is this about saving its investment just conjecture by Dr. Dr. Michio Kaku of the City College of New York? See here for the earlier discussion on the government-TEPCO conflict on the flooding, with indications that TEPCO might have been upheld by technical problems rather than economic considerations.

_{*Lunatic*, n.
One whose delusions are out of fashion.}