It is Amazon producing it. I at least have faith in the big budget to do a decent job, especially with the
magic channeling special effects, even if it doesn't blow us out of the water. A hell of a lot better than that 'Winter Dragon' promo the previous company put out to try holding the rights to a tv production.
Besides, the book series is actually finished, so they're a lot less likely to pull a Game of Thrones Season 8 on us