which is ~3X the rate for "Seasonal Flu", plus all the other "Long COVID" detriments for many others...if you want to have in-person learning, then this is a very reasonable requirement...repeated gatherings in close quarters will always result in increased spread of an airborne pathogen (see link).
Not sure what the 'hubbub' is all about...the vaxes are safe and free...students should focus on their own 'mid-terms' instead.
Link: https://www.cnn.com/2022/11/13/australia/australia-covid-majestic-princess-cruise-passengers-intl-hnk/index.html