I'm not sure there's a direct connection. Tolkien's works are usually in a fantasy genre, while Ainudale comic might have its own unique themes and style.
The popularity could be because it brings a sense of joy and light-heartedness. Also, baby pandas are always a big draw, and a sneezing one adds a unique and charming element.
A good manhwa tutor should have in-depth knowledge of various manhwa styles and techniques. They also need to be patient and able to explain concepts clearly.