I think that she would have been chosen to take part even if she had measured up to what is considered to be 'attractive' by the media. Not to have allowed that voice to be heard, when the opportunity was there, would IMHO, have been criminal.

Who knows, maybe this will encourage others with exceptional voices to try another time. Maybe, if enough 'ordinary' people found their voices in this way the public perception of what is 'acceptable' might be dented.