You don't need to make an entire movie out of this. One or two scenes that are difficult or impossible to film on a certain budget is enough to lift the production value of a movie. One can use this as CGI replacement, for example to produce a couple seconds scene of an ancient city and stretch that out with fake panning.
You can also use it as a communication tool such as making a "live" storyboard to prep location, blocking, maybe even as notes for actors.
Yeah, I did an amateur short once as part of a college assignment and doing the storyboard was the most difficult part for me as I'm not a good drawer at all. Getting the idea for a certain shot from my head to the paper was a struggle.
Being able to express visual ideas with words is one of the most powerful things of this AI craze. Text/code is whatever.
You can also use it as a communication tool such as making a "live" storyboard to prep location, blocking, maybe even as notes for actors.