User blog comment:ZeoSpark/Dave or Mike?/@comment-21325751-20140716205350/@comment-26897147-20140716211941

"It's meant to make fun of stereotypes"

Multiple Personality Disorder is NOT a stereotype. The difference is Sierra is based on the fangirl stereotype...Mike's label is his disorder which means he's literally defined by it which makes it more offensive to anyone who has mental illnesses.