The rule against photography in school bathrooms is meant to protect privacy. But, in this case, it appears as if the student is suspended for embarrassing the school:
Home Faculty Lounge Student Suspended for Taking Picture of Dirty Water in Bathroom, which is Against School Policy
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Why Angela Davis Should Remember the Jonestown Massacre
Coming to a university near you
Before you find him on offer as a university speaker or course, you may want to read the meticulously documented story of Cop killer Mumia Abu-Jamal by former Accuracy in Academia executive director Dan Flynn.