( Karla is lucky to have such assurance -- it's a kindness in any world. As for finding her brother? Look for patterns, perhaps, but Annie doesn't presuppose that she can understand the situation or way of another world when she's so caught up and pulled along by the way of things in her own world. )

It's not as beneficial to consider here, is it? From my current understanding, there's no evidence to say what we learn here comes back to our worlds with us, if we're sent away.

( If "home" is the place they're disappeared to in the first place, but that point is in and of itself moot. )