Well, yes. But the important part of a creative process is there are usually a few drafts before the final work is done. There aren't many (any?) people who can

Well, yes. But the important part of a creative process is there are usually a few drafts before the final work is done. There aren't many (any?) people who can just create a masterpiece from scratch to finish first attempt with no wasted effort. There isn't a problem with writing a bad script with a few good ideas in it. The process of filming is supposed to take that and iterate on it until it is good.