“What we don’t see is the number of failures to achieve this one success?”
Exactly. This is a YouTube video. All it shows is that he did it one time.
It does not show that he can do it on demand.
If you do things enough, some of them will be spectacular.
I have made a few amazing shots in my lifetime. Shoot enough, and some of the shots will be amazing.
Regardless of the preparation, this is extraordinary. The katana was sheathed. We don’t ask Nelson Cruz to do that.
There’s another video of him slicing a BB in two pieces. Amazing, no matter how much prep was involved.
I also enjoy going to the circus and watching those acts. No doubt they didn’t take people off the street and make them do that at gunpoint for the very first time.