Question: Do they ever say why the cheerleading coach hates the Glee club?
Question: Who is the narrator for the previous episode montages?
Answer: According to IMDb.com, Ian Brennan, one of the "Glee" writers and producers, is listed as the uncredited narrator voice.
Question: Why don't any of the bullies ever get in trouble for throwing slushies at the members of the Glee club?
Answer: The show is purposefully stylized and over the top. It is not designed to be an accurate, realistic representation of American high school. The idea that the glee club is so unpopular other students can literally throw garbage at them with impunity is an over-exaggeration of how glee club is considered "un-cool" compared to things like football. However, there is a second way of looking at it. The audience is simply never shown anyone getting into any trouble for throwing slushies. Just because we don't see it doesn't mean it never happened.
Answer: Coach Sylvester is generally bullying to most staff and students but she particularly dislikes the glee club because they compete with her cheerleading squad for limited school funds.
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