Well, he clearly didn't quite know what he was doing, but I have seen much worse on youtube. Like the guy, who was lapping his waterstone on oily asphalt and used his naked forearm to strop a blade. Right next to this video is a chef who has positively SOAKED his japanese waterstone in oil..... .
And quite frankly, the knives this guy sharpened in this video, I am not sure I would get sharp myself
And quite frankly, the knives this guy sharpened in this video, I am not sure I would get sharp myself