This is typical to LLM:s and how they have learned the typical structures of fables. If you wish something more, you should write the synopsis yourself to include the events and scenes you wish and then after getting the storyboard, to change and add scenes.
Taidokas!
I have Beta access to LTX too. Have you noticed how the AI story generator always has a happy ending with a lesson learned?
This is typical to LLM:s and how they have learned the typical structures of fables. If you wish something more, you should write the synopsis yourself to include the events and scenes you wish and then after getting the storyboard, to change and add scenes.