I think this tactic is standard, no? Nvidia has demoed robots being trained using video generation models, and Waymo has been doing that for a while too.
replyhttps://waymo.com/blog/2026/02/the-waymo-world-model-a-new-f...
FYI several other video labs are getting into robotics
replyLuma Labs https://lumalabs.ai/news/luma-open-physical-ai-lab