I'm sure there's more to this than we are privy to. There may be 'artistic differences' between Chad and the team or perhaps Chads, been offered a post retirement plan from Kawasaki like an engineering development or team management gig in a similar role to Roger...whatever it is, it'll eventually come out in the wash.
If it is indeed purely a money thing, I think that a lot of fans will view his defection over to the green side as disloyalty. Sadly that is the way of all sport in the new millenium. Club/brand/code loyalty is a thing of the past.