But it'd be tough on a number of levels to outright cancel such a successful product as Final Cut Pro. And it's beneficial for them to have a stable of very capable media app developers that help drive design of and exercise system frameworks like AVFoundation and GCD and provide code/expertise that trickles down into media apps that are more aligned with the company's focus and main customers.
And I think they do think there's more profit to be made from a much larger audience of prosumer/pro-but-non-top-10-blockbuster-movie-editors. Bet they're right, too.