Plus, everyone is in it together when no one has enough. Once you get to "some people could have enough at the expense of other people," victim/perpetrator dynamics show up, but when no one does, you're suffering together.

Abuse of children is isolating for the child victim in a way that suffering hardship as a family unit or community isn't. There's no sense of "I'm as safe as it gets here, at home, with these people (even if that's not very safe)." There is no place of feeling even relative safety, no sense that anyone is even trying to care for or defend you.