The inspiration for "The Windhover" is the speaker's awe and amazement at the windhover's awesome and amazing skill at hovering on the wind, so you better believe that he's more than a little impressed. One of Hopkins's goals in writing poetry was to inspire his readers with the same kind of awe and amazement that he felt when looking at simple, everyday objects—like a bird in flight. And we'd say this poem succeeds.
The speaker of "The Windhover" feels a sense of awe at the bird's ability to harness a natural element as powerful and unpredictable as the wind.
The speaker of "The Windhover" wants to inspire the reader with a sense of amazement at even the most apparently mundane, everyday objects, like a bird in flight, or like a plough, or a bed of dying embers.