As I have said before, studies find what the people who pay for them want them to find, that said, it is their choice, if they do not want cruisers then so be it.
You can call Carnival and talk to guest services and have it delivered to your room. You can also get it once on board by call the fun shoppes, but before is much easier. They can also give you an extension cord to go from plug to head of bed. Might want to bing a splitter (non surge suppression type only) so you have extra outlets.