I guess we will see. Either that, or they are banking on the naivety of certain cruisers who will just sit feeling like they are in a real studio audience - like David Lettermen?
It will be a trick to stop crying babies, or funny when you suddenly hear Aunt Martha saying, "well, I gotta run back to room, those prunes from the buffet are starting to work!"
NO, seriouly, I am just having a little fun. If the CD has to do it then I am sure other people will be required to do it and they will come prepared with upbeat presentations on ports of call, spa details or that night's dinner. Princess is going to have to hire a chef for his speaking skills.
It actually IS a good idea to be able to get more information into people's cabins. I have seen some ships where I felt the dissemination of information was sadly lacking.