Getting unCHARACTERistically serious (for me, anyway) for a moment:
I don't know how Disney should respond to these things in the days of Political Correctness.
In the theater, it is called "Nontraditional Casting" (see link and quote below) to put someone in a role that does not physically match how the role was written (and it is considered by many to be a proper thing to do).
A major example is Peter Pan.
On the stage, "he" has traditionally (and very OFTEN) been a female actor.
But I have also seen the stage show with male actors in the role.
So would THIS be "nontraditional," or "traditional" casting?
Are we now supposed to JUDGE or NOT to JUDGE people's appearance in these situations?
The PC police are always watching...
I don't know what we are "supposed" to do.
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http://www.law.umaryland.edu/arts/non-trad-casting.asp
"The phrase "nontraditional casting" refers most often to "cross-racial" casting -- placing a non-white in a role not specially written for a non-white actor. (New York Times 1993) A more comprehensive definition of nontraditional casting is the "use of actors of any race, sex, ethnicity or degree of disabilities in roles for which such factors are not germane to the development of stage characters or the play." (Washington Post 1987) But even this definition might seem too limiting for some proponents of nontraditional casting."