Can anyone tell me the story behind that humongous Sorcerer Mickey hat and ears at the Disney Studios that now hides the fake Grauman's Chinese Theater? Legal problem?

When I visited before, the Great Movie Ride used to look nice at the end of the park's "main street" but now the poor building is blocked by that hat ! I noticed the hat and ears is now the icon for that park instead of the water tower.

Reason?