Jebus Cross - 4

Can you name even one reason why information about why a loss was given would be useful to you if two players who played against each other and the host or judge agree with it? What specific information will this give you?

I am interested in the reason for a player's defeat; isn't that enough? I won't write more because I don't want an argument in this thread, and there's no need for more! This is a tournament result, and it should be open.