"I am hoping that future stories of this calibre house less harmful properties."
Seems like the leak is a prototype indeed, but obviously not the final product. Therefore, the image is not a fake, and the final controller will have those features in some way.
Perhaps added buttons, grips, other stuff, the camera will be moved, etc. Feels like this leaks could just be a controller, specifically made, to showcase the Touchscreen (and/or haptic).
Welp, then it is real, but not the real real real controller xD