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He slipped up for the third time when he mentioned that the video was staged – recorded after the battle.
If he won the battle and then decided to record it and write a program, it means he repeated it at least twice, which means it can be repeated with the same relative ease a third time. If so, he can describe the algorithm for conducting the entire battle. In a way that anyone can repeat it.
But that doesn't happen. This is at least strange.