His stop is so tight that if he took the same trade he is taking now, over and over, he will end up in the black, regardless if he waits for confirmation or not. The reward, when he is eventually right, will make up for the small loses and then some.
All penetrating the bottom will tell you is where the next likely place for profit taking will be, as your little graphic illustrates pretty perfectly.
Waiting for confirmation is too conservative. You are better off selling a bear bar closing on its low on its way to confirmation than you are on waiting for confirmation. You can always get out if you are wrong and still make a little profit.