I think the subjects of "a player's commitment to his/her club/team" and "a club/team's commitment to their player" are probably entitled to their own thread(s). In fact, I believe it has been discussed at length before.
Either way, I believe the main question here is the purpose of a 30-day wait period - what is it?
As greengrass mentions, I have seen on occasion where a team would just as soon have the player who doesn't want to be on their team go ahead and leave. I mean, who wants a player and/or their parents who don't want to even be there? I certainly don't.
Of course, I would hope the player leaving would take into consideration the state of the team he/she is leaving, but ultimately, parents have to make the development of their own child their number one priority (IMHO)