Totally agree...and while we're at it, aren't there some adults (not 18, but grown ups) who act adolescent?
As I sit here on my laptop, cocktail hour, making dinner...my neighbor has called me twice now. Her little rug rats have "hit a home run", so two of their boys' whiffle balls came over the fence, lol. That's fine. Love kids and the innocence of children, as we all once were.
It's the whining, ripping around, disrespectful rugrats that grate on the nerves.
Yes, who IS paying for the cruise? We can exercise that right to speak up when anyone is a nuisance on our cruise.