The best players are known before they tryout. They have been known for years. Even a bad tryout would not erase a body of work produced over years. How do you think recruiting works? Not based on a tryout. Don’t waste your time if you are not one of those players of you intend to
complain after not making the cut. Otherwise, go for it, understand the stacked deck, and have no regrets if not selected, by maybe you stand out and make it.