Lu Ban did not engage in global-scale publicity because he believed that the theme of his film was quite unique, and the ideas it conveyed were not universally comprehensible or acceptable to people around the world.
Some creators in the world aim for their work to attract the general public as much as possible. Such creators follow two paths: one involves grasping universally human emotions that transcend nationality, ethnicity, ideology, and cultural levels to craft their work, ensuring that people from any country or background are touched when viewing these works.
The other path is to package what they believe to be correct into a form that the masses can accept, such as superhero movies that appear to be a pile of special effects and grand scenes, but in reality, they are a cultural export of individual heroism and liberalism.
