I think we need to post the answer to this atop this board. I'm so tired of explaining why he needs to announce his intentions for the upcoming season, and doing so as close to the end of the NCAA tournament championship game as possible.
The reason why is he's the one who set the precedent last year (maybe even two years ago) saying he would take some time before deciding if he was going to continue to coach. He did it again at the end of this season, saying he would decide sooner than he did last summer, but again failed to make that clear.
As Fishy has pointed out numerous times, there does not seem to be any upside for JC leaving people guessing, especially recruits.
Now if he had never done that, then I would agree that he would owe no one an answer to the question of him returning or not, leaving the expectation that he plans on honoring his contract until the time he decides otherwise. JC is the one and the only who is responsible for this uncertainty regardless to the age and health concerns that people might have.
So please, can we all stop asking why he should announce his decision to return or not, making it crystal clear and as early as possible? He's earned the right to take a few weeks after the season, but anything more than that only causes more harm than help.