But not everyone does. Some are forced to stay home and nurse their aching heads and soothe their riotous stomachs. Still others are addicted. The University is what a social worker might call a giant enabler. Intervention is necessary to protect the health of the afflicted and preserve the safety of others.
Privacy invasions exist on a continuum.
There is a huge difference between taking pictures of someone through their bathroom window, and intervening to seek help for someone who needs it. Suppose your best friend confessed suicidal intentions in confidence. I should hope so. The comfort of privacy should never outweigh the value of human life. Parental notification policies give parents a rightful say in the lives they are financing.