First of all, many students find rallies boring and phony, and the Song Team focuses the attention of at least one gender on the basketball court rather than on causing disturbances.
However, this performance went overboard.
Moves like we saw at the Aloha Rally are not allowed at normal school dances or even in most socially acceptable settings.
This is a high school rally, not the latest music video, and when the Song Team spends most of the routine bent over, while it may illicit (sic--and perhaps a Freudian slip) catcalls from the audience, it is simply not appropriate.
I should just keep on quoting, but then you wouldn't go read the original column. The three closing paragraphs reach a thunderous crescendo.