Hell, you can probably train an AI to check the canon.

If he just likes being famous and making money, do that. He'll be more famous and more rich, and the people get books to read.

It's going to happen when he dies, so if he wants some say in what happens, he should do it now. Otherwise it will get Disney Star Wars'd.

And you know what? GoT will NEVER be remade the way it is. I guess he doesn't have any children, so he doesn't care.