Dev argues that $9$ AM is a bad time to sign up for a small discussion group because he will be too tired from the previous night$$s activities. He prefers to sign up for a large lecture class at that time. Jos$$ disagrees, noting that this small discussion group is something they both wanted to do and will require their attention, while they may not focus in the lecture class. Dev says that this is not a commonsense approach. What weakness does Dev exhibit?

Multiple Choice

lack of rigor

lack of self$-$awareness

lack of authenticity

over$-$reliance on hindsight

lack of objectivity