We don't destroy writing as a job. We improve the baseline. So someone who cannot write at all can produce something slightly decent rather than nothing at all. Also this can be useful for inspiration, too.

It's unlikely that the AI will create the greatest scripts for a very long time. Even if it does, it will be like it's "just one more script writer".

IKEA didn't kill hand made furnitures. But it helps some people get some nice stuff.