He's not calling for adults. He doesn't know where any of the adults are, in the first place, but even if he did, in this situation? Unless it's Miss Melanie, he'd not call on anyone else he knows.

"Dunno. I mean, how old you are does matter about understanding some things? You can't tell one of the little ones to watch over a boilin' pot, because they would keep forgettin' it's hot and burn themselves. But an older one would be fine. But as I'm not old enough, dunno why this particular one."

He looks to the side. "'sides. It don't really matter why, not to the kids that've come to us. Just wanna make sure they're all right. That they know they've a family that wants 'em now."