There's so much potential here that it's worth watching just to see that in action, but it mostly falls short of what it claims it will deliver. That's not just bad in general, but a certain waste of a great effort by Affleck.
Burton falls victim to his own niche, if he actually has one, abandoning substance for "quirky for its own sake" visuals.
The reworking of the script is probably to blame with the film's problems, because the actors will pull you in, and it is admittedly otherwise rather beautiful and fun.
Eddie Murphy takes over Mr. Church, and it will make you long for dozens of films he never made. It's a simple story, with flaws, but it's worth the trip.