1. academic rigor: popular science works usually need to take into account both easy-to-understand and academic rigor. Although Yan Bojun's popular science works convey scientific knowledge in an easy-to-understand way, they may lack sufficient academic rigor in some details. This may lead some professionals to question his popular science content.
2. Divergent opinions: In the field of science, there are different opinions and theories on some issues. Yan Bojun may have expressed some controversial views in the process of popular science, which may be different from those of other scholars or experts, thus causing controversy.
3. Information update: Scientific knowledge is constantly updated and developed. Yan Bojun's popular science works may contain some outdated or updated theories, which may lead to his popular science content being questioned.
4. Dissemination and expression: The expression of popular science works is very important for transmitting scientific knowledge. Although Yan Bojun's popular science works are as easy to understand as possible, there may still be unclear and inaccurate expressions, which may easily lead to misunderstanding by the audience.
5. Personal prejudice: The audience may be influenced by personal prejudice when watching popular science works. Some people may be biased against Yan Bojun's popular science works, which leads to their evaluation of its content is not objective enough.
It should be noted that although some people think that Yan Bojun's popular science is wrong, it does not mean that his popular science works are completely worthless. As an audience, we can treat these disputes rationally and evaluate the value of popular science works according to our own judgment. At the same time, we can also pay attention to other popular science works in order to obtain more comprehensive and accurate scientific knowledge.