None of that really matters. Ultimately films are rated based on how much they make at the box office, which is a function of the content, audience preferences and marketing. A director becomes well known by the impact of their production, not the other way around. Really doesn't matter - to the majority spending to see a given film - who the director was, beyond as a marker to find/avoid similar works in the future. If a director makes a crappy film with humans, they'll be known as a crappy director. And if they make a good film using AI, they'll be known as a good director (UNLESS there are a lot of specifically anti-AI people in the crowd AND it's known the film was made using primarily AI). And the good director will be praised for the artistry they put into the work.