If the team, and not the player, is found to be responsible for the Circumvention, the player is free to sign with any other teamwith no regard to any signing deadlines, and the team responsible for the Circumvention must pay the player any damages he suffers as a result of the situation.
They can influence it through choice of rules regarding eligibility, scoring, and fouls (to some extent), but the final combination on display on NBA courts mixes these choices with the unintended consequences of them along withteam methods and with the long run evolution of player skills.