Why would he settle for an underwritten, unimportant, replacement role on Wicked after headlining and getting great reviews doing "All Shook Up"? I think Fiyero is a role actors go for when they want to be noticed and not a role Broadway headliners go for unlike the roles of Elphaba and Glinda.
"Some people can thrive and bloom living life in a living room, that's perfect for some people of one hundred and five. But I at least gotta try, when I think of all the sights that I gotta see, all the places I gotta play, all the things that I gotta be at"