What a weird story, sounds to me like someone said earlier, he has a contract elsewhere, likely The, and he wants out to take it up. This is a terrible look for him and if it is true, whatever, let him leave. He might end up a superstar, he might not but no one is bigger than the club.
However, if what he is saying is true about Kevvie and false promises he was given and especially, the signing of a contract with no rep present, that is a huge issue that needs to be rectified.
Taking those three points one at a time:
1. Kevvie - He should be meeting every kid that comes through the club, even if it is just a hey, how's it going in a group style open day meet and greet. Who cares if the kid is super talented or not, this is just good practice and really doesn't take much to make it happen. Trent Robinson is famously good at doing exactly this.
That said, if this kid is being touted as a superstar, which he is, DEFINITELY Kevvie should be making time here! Lift your game mate, you are running the biggest NRL club in the world, this is part of your role.
2. False Promises - This isn't good if it is true but I am sure just about every club makes false promises. However, if the club did promise him a top 30 spot and starting 6, that person should be given their marching orders, this is not a way to cultivate a good attitude towards a club.
3. The Contract Method - If the club has done this again after the Walker fiasco, I'm sorry but this is almost unforgiveable and I say almost simply because I love the club and would never support anyone else. This would be the definition of stupidity and incompetence and whoever did it should be named, shamed and the club should distance themselves from this person / people. Again, this may not have happened given the questions about other claims but if it has, man I'd be ropeable and would be more than happy to support this kid going elsewhere.
Either way, this kid seems like he might be a bit of a jerk, or at least his manager is, and cutting the cord would be in the best interests of the club.