The new AI video-creation model from Beijing-based ByteDance is generating buzz in China and a backlash in Hollywood over copyright issues. It shows how ByteDance, known for creating TikTok, is emerging as a rival to OpenAI and Google in the race to build tools for making AI movies and other video entertainment. “China’s visual models have been very, very competitive," said Steve Long, a videogame developer in Helsinki who has participated in beta-testing programs for Google and ByteDance. ByteDance recently ceded control of the U.S. version of TikTok to an investor group to resolve U.S. national-security concerns. Global users of…