I’m not sure if this exactly answers your question, but some eyebrows are raised at his dilemmas (morality tests) because the only people tested were 10-16 year old boys that had never been in the situations that were presented to them. Overall his dilemmas could be a reason why people question his theories. Other than this reason I am not aware of another reason why people would question his stages of moral development.
How badly the person is injured (how deep the cut or how bad the tear) and their body type.
A scalpel is well known for its physical appearance being tiny and sharp which is useful particularly in surgeries and anatomical dissections. Its disadvantage during dissection activities is it may injure or provocatively cut important organs or structure that may need extensive care.
Answer: They are extremely Optimistic.