The problem with being so innocent is that it requires other people to help with the sheltering. Weyland accomplished it by keeping her at home; Kate and Butch do it by giving her as close to a homelike environment as they can manage, and tasks she's good at.

As for other people... well, the gentleness of strangers.

"He says we probably won't be here long, and maybe we'll be put back right where we left. Maybe we can still make it to the concert."