Why does Chapter 11 emphasize worshipping a Guru with a form (Saguna) when God is considered formless?

Chapter 11 provides a detailed philosophical explanation for the importance of worshipping a manifest (Saguna) Guru. It posits that as long as the worshipper has a physical body or form, the Guru must also be in a physical form for devotion to take root. The text argues that the manifest ('Sakara') and the unmanifest ('Nirakara') are not different entities but are one and the same. It uses the analogy of ghee: when frozen it has a form, and when melted it is formless, but it is always ghee. Similarly, Saguna and Nirguna are two states of the same universal reality.