regarding what AI is already capable of
this "trailer" was made by a single person in one week. I am not an expert, but I don't see any quality difference with stuff made with real actors for large budgets.
In 20 years from now, perhaps one of the people posting here will be able to make his own adaptation.
which we will all be allowed to shot down as not close enough to the books, too close to the books, too dark, too light, or whatever.