No, people suffering from eating disorders should not be turned into fodder for the entertainment industry. I'm a psychotherapist in Los Angeles specializing in eating disorder recovery for adult women. I get at least two calls a week from producers or their lackeys asking me to help them find people with eating disorders for their shows.
They also ask me to talk to my patients and encourage them to be on such shows. Confidentiality, respect for the healing experience, and honor for the individual's process go out the window in search of ratings based on voyeuristic interests.