This is not a conspiracy. The 5 is original video. The 10 is the edited video. The person in the video is Artemi Panarin, he wears number 10. The video was made in less than 3 days. It's an editing error, this is the reason. No need for any other interpretation.
I'm going with editing error then.
Everyone gets to refrain from guessing or to guess and decide how certain they are.
This is not a conspiracy. The 5 is original video. The 10 is the edited video. The person in the video is Artemi Panarin, he wears number 10. The video was made in less than 3 days. It's an editing error, this is the reason. No need for any other interpretation.