The majority of adopters want White babies, so what happens to disabled children, teens children who are legally not allowed to be adopted
also no one wants to take on large sibling groups good luck trying to find someone to adopt 7 children between the ages of 2-17 often the children are different races have different fathers so have different legal status.
And often the parent block adoptions for years even though the child will not be returned and by the time it all gone to the court the children are no longer newborn
You are such a fool and have shown you know nothing about adoption not all children are in care because of abuse of neglect.
So your talk of bad folk is 
Like every one here saying if its that easy why don't you try your hand at being a sw of a foster carer