[Dryly. So dryly.] Well, she's certainly never bored.

[Tadashi nods along thoughtfully as she speaks.]

I can see that. Even if they don't fully understand the mechanism by which it's controlled, having someone around who can do that sort of thing without needing tools or machines would absolutely be valuable in a lot of ways, especially once they got good enough at it to do those things as casually as you can.