If you use this reasoning to categorize the majority of graduates in Chinese or foreign literature, then you will see that they cannot write for the same reason. This is the most bitter fruit of the rigidity of the education system.
用這樣的道理去類推一大堆從中文系、外文系畢業的文學院學生，卻無法提筆寫作是一樣的道理，那是僵化教育制度下最悲慘的結果。