Why did cole feel his banishment was the ultimate hurt in Touching Spirit Bear?

Cole felt his banishment was the ultimate hurt in "Touching Spirit Bear" because it stripped him of his connection to his community and left him isolated and vulnerable. Being sent to the remote island was a form of punishment that forced him to confront his inner demons without the distractions of society. This isolation made him realize the impact of his actions and the importance of relationships, ultimately leading to his journey of self-discovery and healing.