In reply to Jason Lemieux.

And to throw a bit more positivity in here - I'm also stoked about this feature (as is obvious from the content of this post). I'm so stoked, in fact, that I've already built a plugin to enhance the core usage of oEmbed by providing a cusotmisable embed code directly on the post edit screen: https://wordpress.org/plugins/easy-post-embed-code/ :)