PewDiePie's YouTube video, "The Chinese AI situation is crazy," explores the rapid advancements in artificial intelligence. He showcases several AI tools, highlighting their capabilities in video generation, including creating videos featuring celebrities and even generating video game content. The video focuses on the surprising abilities of Chinese AI, contrasting it with other AI's limitations, particularly regarding copyright. He also demonstrates AI music generation, creating personalized songs with humorous results. Finally, PewDiePie uses the AI to create a short video of himself, playfully experimenting with its creative potential and limitations.