re: Why do shows publish their grosses?
Why do movie studios publish grosses? Why do sports teams publish attendance? Why do (non publicly-traded) companies post earnings? We crave transparency from both our businesses and our politics. Look at how Young Frankenstein was treated when they decided not to post grosses. Sure, they have that right, but it's going to leave a sour taste in our mouths. So, though your fundamental argument that perhaps it might not always be in the best interest of a show to do so, maybe they just continue...