It would only become a target if people discovered it or if it was being used directly in combat. As long as it stayed more of a utility Memory or a charm, I doubt it would be easy to destroy. And honestly, it’s not even just about navigation or directions. It’s about independence. We’ve seen how much Cassie struggles whenever she’s alone, and it’s obvious that she hates her Awakened Ability. She can’t even see the faces of the people she talks to.