No, it isn't, if you think young men don't see it context, and think that Carl Froch is a role model for how they should conduct themselves in all circumstances. Of course, you may say that young men have always shown bravado and said things like that when confronted by someone who is due to hit them. and not even then, and that has been so ever since young men have existed.
This sort of thing has been going on in pre-fight talk for a long time; the promoters like it, because they always want to sell tickets and get TV viewers. If they can sell the fight as a grudge match, or have the fighters presented as having personal dislike of each other, all the better for sales.
Mohammed Ali and Joe Frasier were presented in that way. In later years, Ali revealed that the two of them shared a car , around a fight time, and Ali said that could have been very embarrassing, if it got out !
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