Chapter 17 uses the analogy of a parrot. What does this metaphor explain about the human condition and the path to freedom?

In Chapter 17, the human soul is compared to a parrot, and the advice given is, "that you are the pure Brahman yourself; you have become bound by the company of the body, like a parrot tied to a tube." This metaphor explains that our true nature is pure and free (like Brahman), but we have become trapped by our identification with the physical body and worldly life. The text suggests we have forgotten our true nature due to the "Maya of infatuation." The path to freedom, therefore, is to realize this bondage, "release the feet that are held tight," and metaphorically fly high in the sky by transcending the entanglement.