User blog comment:Hyperborean/"The House of Hades" – official expectations blog/@comment-4902593-20130210131957

Did you guys notice that Percy is the only demigod of the Seven going on three back-to-back quests? I mean first, Percy finds Camp Jupiter on his own while being chased by the Gorgons; then immediately he's sent to Alaska to free Death. After Percy returns, the very next day he has to run from Camp Jupiter for the depressing journey to the Ancient Lands. Then after battling Otis and Ephialtes, Percy reunites with Annabeth only to fall into Tartarus the very next moment. And now Percy is expected to close the Doors of Death and risk losing a friend.

And here some users (I'm not going to mention them) are criticising Percy for not doing well in the MoA.