One morning at Epcot Center, as we offered our ID to the castmember at the turnstile and began to argue (again -- they're very poorly trained on this point) that we could indeed opt to show ID instead of being printed, a small boy behind us chirped up, "No you have to be fingerprinted! Everybody has to be fingerprinted!"
To all those parents who worry that Disney will turn their kids into little princesses, it's time to get priorities straight: the "security" at the parks is even more effective at conditioning your children to live in a police state.