The notion of delaying the movie adaptation until the Broadway box office needed a boost seems unlikely.
If the movie were to be a smash, it could make hundreds of millions. If Wicked sells out on Broadway, it makes a million a week minus however much it takes to keep it up and running.
They seem wholly unrelated. Not to mention, his comment presupposes this movie would be a hit, which is never guaranteed.
Now t/d/b/a haterobics on here.