I think the fact you can hear her taking her breaths is a cardinal sin. My more 'hip' son suggested it was the way of the world.
I was waiting for something 'bigger' to happen with her voice - which is why I quite liked the James Bond movie that made them famous. It had breadth and depth.
Ethereal to me is Charlie Houston, Kaleida and even Adele. This? Meh.
BTW I saw the shorts of this movie when I went to see the Odesza documentary and cringed. At first appearance, it offers no more than being a money-grabber.