It was true that most people thought Kaden was dead, and that those that knew he was alive weren't a threat to him. It was also true that one of the people who'd be quite keen on some vicious punishment if he knew Kaden was alive was a god of prophecy.
There might not be anything to make Apollo start looking for Kaden, but Hecate knew visions; they could come out of nowhere. The Enodia might be able to keep Apollo's eyes from accidentally landing on Kaden. Could Wisconsin?
But Marcie did not need to know Hecate's worries about Apollo, that was Hecate's responsibility. She could find ways to keep Apollo's eyes firmly in New York, surely. "You're not wrong," she said slowly. "Surrounding Kaden with a family who love each other stands a chance at helping him heal him in a way that magic never could. What does he think about this idea?"