Articles like this make me angry:
http://www.cruisehive.com/8-year-old-boy-drowns-onboard-liberty-of-the-seas/9456

In particular, for statements like this:
Many cruise lines do not have lifeguards onboard so young kids are able to use the swimming pool with no supervision.

Do you think maybe parents need to make wiser decisions, perhaps that it is their responsibility to supervise their own children?!