As for the example of the Lee family and how we need to view violence against a spouse as threatening to a child - well, that's not a new thing either. In fact, for poor families caught up with the Children and Family Development Ministry, parents risk losing their kids into government care if there's any threat of spousal violence. So even when Dad's violent and Mom's not, she can lose her children just for not being able to figure out how to get away from Dad.
The problem in the Lee case is that the family was well-off. We all have a hard time believing that well-off families can be dysfunctional and dangerous. Different decisions get made - by the ministry, by police - when a family's got money. Tightening up the Family Relations Act isn't likely to change that.
But hey, I don't want to sound like Little Nancy Negative. It's just that this story line seems a bit like someone's trying to dress an old issue up in new clothes and sell it to us as change.