Op you are allowing your emotions to get the better of you as you've missed the point. Support and help is what these kids needs with the family.
While smacking is legal they won't get this as it's just seen as normal family life. I'm sure parents won't be chucked in jail for ten years for a first offence, more likely to be sent on a parenting course.
To prosecute parents and put children into care where they are more likely to be abused
Hyperbole and unlikely. How many assault perpetrators go to jail?
I'm not condoning smacking
Actually, you are
but throwing the book at the parent won't help the child
And ignoring the violence against a child will?
The child could end up with mh issues and in out of prison for most of their life until they get their teeth kicked in.
Nice story
Being hit by your parents isn't particularly good for your mental health either.