This is hijacking my own thread, but we took a
RCCL cruise a few years back, and they asked if we wanted to allow my then-6 son permission to sign himself out of the kid's club if he wished and go back to our cabin. I couldn't believe they would allow or encourage 6-year-olds to be unsupervised around the ship.
Also, to me there just seems to be a difference in letting a child staying at BWV or BCV walk to EPCOT or DHS versus taking a bus to another park. If they were to call me, I could be there in a flash.