The thing that I found interesting about this... if it is human trafficking that is the reason for this is --- why allow so many options to opt out of contact with CMs.... You don't have to go to the desk at check in anymore, you can opt to skip housekeeping at Values/Pops, etc.... both of which they should stop before they institute random checks of every guest. The front desk and housekeeping could easily be the first eyes on a problem.
We use the same
MDE account for every trip so they know, our contact/address/credit card info, who we travel with, where we stay, we add our flight info, they can see our ADR numbers, our extra event bookings, where we stay and who is in our party, where we eat, which parks we go to , which rides we like, what events we're willing to part with additional dollars for, what we buy, our mousekeeping history, etc.... Big data is important... if WDW were using it right this would not be an issue.... If they're not using this data in making their decisions it's not excusable... someone/or many people should be fired.
These checks should be defined by the data WDW already has about previous guests (and yes this may mean new guests get more checks --- but really it's like any business relationship --- disney knows regular, return guests more than new guests...) Also when you think of it they can see more of you than you even think ---- facebook, twitter, internet postings, blogs, etc....
Each time we've been there recently the front desk person has engaged my son in conversation at check in (since we're international guests we have to pick up our magic bands at the desk) --- so maybe everyone should have this initial interaction -- if this is really a concern versus a lawsuit checklist..