This is more than a little scary, by this standard, anything anyone finds offensive can qualify as ’emotional harm’. Good on the student for making the Constitutional point.
Check this out:

A Texas Christian University student has been disciplined after posting online comments seen as racially offensive about current events, including rioting in Baltimore and the rise of the Islamic State, TCU officials said Friday.
TCU said Harry Vincent, a 19-year-old sophomore, violated two Student Code of Conduct provisions concerning “infliction of bodily or emotional harm” and “disorderly conduct.”