Water level in a glass changing between shots is one thing, the protagonist’s face and clothes changing is another.
There are lots of tools being built to address this, but they're still immature.
https://x.com/get_artcraft/status/1972723816087392450 (This is something we built and are open sourcing - still has a ways to go.)
ComfyUI has a lot of tools for this, they're just hard to use for most people.
This release is clearly capable of generating mind-blowingly realistic short clips, but I don't see any evidence that longer, multi-shot videos can be automated yet. With a professional's time and existing editing techniques, however...