They can talk, but they mostly use their phones to text and send pictures.
No, they can’t talk… so far…
Aren’t the creatures the Nazgul ride a type of dragon? As far as I know Tolkien has only refered to them as “fell beasts” with no real history/ back story.
What does George R.R. Martin have to say? After some debate, he scores it a possible draw (video):
In terms of which is the better fiction, just ask yourself, if you to rewatch one three times over, which would you pick, which one doesn’t get tedious after the second time through.