I don’t think it’s moral for the state to take the kids away, unless the kid requests it. Even kids knows when they are being abused and if it’s bad enough, they should have the choice to leave. That being said, the state doesn’t care at all about them. It’s only marginally better than living with parents that don’t care about them.
Perhaps there should be some kind of certificate to become a parent, but that will most likely be abused and become too controlling.