Yeah, we can't really figure out why this is so compelling - but it is.

Maybe it has something to do with how ubiquitous Owen Wilson saying "wow" is; after all, he says it in every one of his films so it's kind of everywhere. Why does it fit into The Phantom Menace's final lightsaber duel? Should it?

Who knows. Who cares, really. Here's the video.

Don't overthink it.