Dear me - no one is indispensable. That's one of the first things I learned when I started work many moons ago. Exactly how many people book for exact casts. Yes, we might all do on this Forum, but apart from that - I suspect not, apart from Carlos Acosta performances......and does that fill the ROH every evening, I think not. I remember sitting next to someone in that very last Sylvie Guillem Manon who had no idea who she was.
Fame is short lived especially at the age of 22. There's a long career ahead..........or.......