From what others have said, they appear to be aiming to compete with higher end operator chairs. So you're not gaining any gaming features. You are gaining enhanced ergonomics and support. Which you've said in the past most current gaming chairs are lacking.
Do you happen to have an image of what the headrest looks like with this?
You can see it in this video.
https://www.youtube.com/watch?v=LYm0zzlIvLc