There are many reasons why readers don't like to leave comments after reading a novel. The following are some possible reasons: 1. The content of the novel does not suit the interests of the readers: If the content of the novel does not suit the interests of the readers, they may feel bored or disappointed and do not want to leave a message. If the plot of the novel is very simple, the reader may feel that leaving a message requires too much text description and thus do not want to leave a message. 3. The reader does not have enough time and energy to comment on the novel: If the reader does not have enough time and energy to carefully comment on the novel, they may choose not to leave a message. 4. The reader is worried about being attacked or harassed: leaving a message on social media may result in attacks or harassment, which may make the reader feel uneasy and not want to leave a message. 5. The reader doesn't want to share his or her thoughts: Some readers may not want to share their thoughts because they think it's just a personal opinion that doesn't necessarily need to be shared. The reason why readers didn't like to leave comments after reading novels was that they needed to consider the interests, time, and energy of the readers.