There are more examples of its limitations.

The video with dogs shows three taxis transforming into one, the number of people under the tree changing https://player.vimeo.com/video/1037090356?h=07432076b5&loop=...

An example from the HunyuanVideo is terrible as well. Look at that awful tongue: https://hunyuanvideoai.com/part-1-3.mp4

And what we see in that marketing is probably the best they could generate. And I suppose it took a lot of prompt tweaking and regenerations.

The internet is already full of junk shorts and useless videos and soon there will be even more junk content everywhere. :(