Overindulging
Drinks on the ship are known to be very expensive for guests, but not for the staff. At their exclusive bar, drinks are very cheap. Even though it is prohibited for staff to become intoxicated, some still do overindulge and remain undetected.
Like Being On Big Brother
In order to protect themselves, cruise lines have to have surveillance cameras all over their ships. Not only is it to protect the corporation, but for the safety of the guests and staff alike. In case of an incident, footage can be easily retrieved.