What is the condition of the crew at Fukushima Unit 2?

At some point in time, we will need to understand how people can discard basic thermodynamic concepts. In the latest on Unit 2, this caught my attention:

Air pressure inside the reactor rose suddenly when the air flow gauge was accidentally turned off, operator TEPCO said, adding that this blocked the flow of cooling water into the reactor, leading to full exposure of the rods.

Maybe they're tired and need some sleep. (from here)