2. Cao Pi's literature is very poor. Cao Pi, one of the Three Caos, has a strong literary accomplishment and is also the only literary theorist among the Three Caos. Canon theory
3. Cao Ren is a git and a straw bag. Coss is a general who can be independent of Cao Wei Group and a brick of Cao Wei socialism, so he needs to move there.
4. Guo Jia was the first counselor of Cao Wei. "The soldiers are fast, and Guo dispatches filial piety to avoid arrows." (Don't hit me) Cao Wei's first adviser should be Xun You, whose strategy here is military and tactical.