Well, for one thing, it's kinda new. There's really not that many people who have access to it, and all of 'em are world travelers.

[ but she's not wrong on the latter, so he takes a bit to think of how to explain the disney copyright law ]

Hmmm... Most people aren't meant to be aware of other worlds, to be honest. From experience, that knowledge falling into the wrong hands has kinda led to a lot of bad things happening for a pretty long time.