I suspect at least 10+ depending on your definition. Tools like this will absolutely be used by professionals to cut out portions of the workload, but there's

I suspect at least 10+ depending on your definition. Tools like this will absolutely be used by professionals to cut out portions of the workload, but there's still a large gap between something like this and actually making a coherent, cohesive, consistent, paced, well framed and lit story from text alone.