Whether they recognize it or not, all humans have religious needs. The need to feel like a good person (whether you are or not) is a religious need. The need to have hope for the future (whether hope is reasonable or not) is a religious need. The need for something bigger than yourself to look up to (regardless of how capable you are) is a religious need. People don't always meet these needs through what would be recognized as an organized religion, but they still usually meet these needs through religious means.