Petapixel has an editorial titled Why Nikon’s New Mirrorless Cameras Mostly Disappoint Me (On Paper)
He shoots a lot of video and the video specs didn't impress him (no 4K 60p). No flip-out screen so vloggers can see themselves as they record video. Not a good assortment of lenses to start.
It's funny how different our demands are. I voted impressed in this petapixel poll: