In the scene from "The Titan's Curse" by Rick Riordan, Ares expresses his concerns about Thalia and the protagonist, indicating that they pose a threat. He suggests that it would be safer to deal with them harshly while they are present. This highlights Ares's aggressive nature and his belief in the danger they represent.
However, Poseidon intervenes, defending the heroes by asserting their worthiness and bravery. Zeus also joins in, acknowledging the accomplishments of Thalia and indicating that they should not be harmed. This moment illustrates the protective instincts of the gods toward their children and emphasizes the importance of heroism in the narrative.