In this story, there is a Little Porridge Pot, which produces porridge if you say a magic formula. In the village, they forget the magic formula, and they can't stop the porridge pot, which continues to produce porridge until the village is flooded with porridge.
Critical thinking, questioning, comparison, and various other mental process are similar. They have their place and they have their job, but if the magic formula to shut them down once their proper function has been fulfilled is forgotten, they continue to destroy and attack until there is nothing left alive.
What's the magic formula? Get back to the present, get back to the day, get out of the head and into the body, and re-engage only there is a practical matter that requires resolution through critical examination. Or else the village will drown in porridge.