Did confusion over risk of re-criticality from seawater injection contribute to meltdown at Fukushima Daiichi?

The Mainichi Daily News of Japan has reported that a controversy is raging over whether a comment made by the chair of the Nuclear Safety Commission of Japan, Haruki Madarame, led Tokyo Electric Power Company to suspend injection of seawater into reactors at Fukushima Daiichi nuclear power plant, contributing to meltdowns.