Did This Eating Disorder Joke On The Disney Channel Go Too Far?

The Disney Channel is in some ~hot water~ after they made an eating disorder joke on an episode of their show "Shake It Up." Here's what went down. Thoughts?

Here's the questionable joke:

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After the episode, Demi Lovato tweeted at Disney about how inappropriate it was:

If you didn't know, Demi Lovato was a star of Disney Channel show from 2009-2011. She went to rehab for an eating disorder earlier this year.

Disney's response: