"It is not Kafka's fault that his wonderful writings have lately turned into a fad, and are read by people who have neither the ability nor the desire to absorb literature"

This quote by Herman Hesse is referring to the works of Franz Kafka, and how they have actually become popularized recently. Hesse is recommending that individuals who read Kafka's works are refraining from doing so with the exact same gratitude and understanding as those who are really enthusiastic about literature. He believes that it is not Kafka's fault that his writings have ended up being a fad, which those who read them are not doing so with the same level of appreciation and understanding as those who are really enthusiastic about literature. Hesse is indicating that those who are reading Kafka's works are not doing so with the same level of appreciation and understanding as those who are truly passionate about literature, which it is not Kafka's fault that his works have actually become popularized. He is suggesting that those who read Kafka's works should do so with the same level of gratitude and understanding as those who are truly enthusiastic about literature, in order to truly appreciate and understand the works of Kafka.