That's not the point. I'm not an FCP user but from reading the threads there I can hear the screams of betrayed and abandoned professional users. You don't screw around with pros like that. Imagine Apple telling you that HyperCard was how you had to code for iOS and did away with all the detailed control you had when using professional methods currently available. I think your screams might be even louder. [typo edit]
But even if FCP X is a failure like Vista, it's not like it's the main product of the company, far from it.