The point is to assuage the fans who see the lack of communication as neglect. And while "we already know that they're working on it," we don't know details that are important to a lot of folks. I'm fortunate in that I know the rescheduled date for my show, and it's on the same day of the week as before. But it would be nice to know what the specifics of their plan is. If it's not important to you, that's fine, but it's obviously meaningful to a lot of folks.
Also, when folks refer to "the band" in this sort of context, their talking about the various business entities that are owned by the band members -- in this case, Infinity Tours, Inc. No one needs a phone call from JR himself.