It's so Awesome to See All the Cool Stuff Are Now in Cashshop.

[Wawaya]

Another reason for the old video is because this was in the Chinese mogstation.

Are you sure? I never saw it on the Chinese mogstation, and not seeing it right now too, unlike the Magician Emote, and various other cosmetics that are unavaiable for the JP/EU/NA version.
The video on Bilibili does states that the copilot animation showned may be different from the 'official' release. They definitely used a mod to showcase how it may looks like, but it was not accurate

If it was truly released on the Chinese CS first, why would it be that broken? Right picture from @bea_amanecer


I'm not defending this mount though, it's a shame they released it on the CS, but I find it kinda unfair to trash on it when the video was misleading....!