Ramanu Jacharya points out that there is a deeper esoteric purpose for an avatar. He says, Arad Dharupa, Prasarishan Artham, presents before us a fresh, new form for worship and devotion. Sridharam Krishna gives an example of what an incarnation is like: A hole in the wall where you can see through to infinity beyond.
Swami Sarvapriyananda speaks on the teachings of Sri Ramakrishna inspired by Swami Bhajanananda's book, The Light of the Modern World: The Universal Significance of Sri Ramakrishna's Avatarhood and Message.