Also, if it is not a luck based game, how would a casino integrate it into their online games? They would need to either buy a game built based on an algorithmic way to ensure that nobody can cheat by figuring out the algorithm.
If you never knew, the cock fighting is equally a luck base game, as in most cases is not always the biggest cock who wins a fight, just as in our normal MMA fighting, which requires skills, basic experience and more exposure to other cock for fighting will determine if a cock might either win or lose a fight during the main gambling fight.