I'm so grateful for the english subtitles, even tho i'm an native spanish speaker, there is not too much Gunpla content on english and even less in spanish, so this is a welcome video.
To your final thought on this video, I think the Master Grade Wing Gundam Proto Zero from 2013 is the closest we will ever see of the TV version of Wing Zero in the Master Grade format. The design was used in the Manga The Glory of the Losers until it got damaged and was repaired by Heero Yuy using parts from the Tallgeese Flugel (hence how it got its trademark angel wings).