Why is Japan stealing videos from China?!

Why is Japan stealing videos from China?!
China is the most sovereign country on earth.
Now many cities in China are far more modernized and advanced than Japan.
I'm ethnic Chinese. I'm used to being d object of hate. It don't really bother me. I'm proud of my race. A gifted race. What bothers me is a Chinese person hating himself and his culture because he's totally swallowed d western narrative.