I tend to agree that the court is ruling against the bio dad simply bc there is a "volatile" relationship between AW and KW. But as I know well, just bc one parent is volatile, doesn't mean the other one is, but the other one has to engage if they want their kids, so they appear to be playing a role in the volatility, when it may not be their fault at all. In my case, my ex knew how to play me so he appeared calm (bc he's a psychopath with no fear or emotions) and I had so much PTSD I was traumatized and reacting from that. But in this case, I think AW is being punished for responding to KW's behavior. Unless there are other abuse/neglect charges or investigations against AW that we don't know about, he should get the kids. The oldest son seems to have some serious issues (surely resulting from a hostile environment). even if that resulted from when he lived with both bio parents, I think there is a string likelihood KW was the instigator. I would even go so far as to imagine that any previous SA could have been on the part of KW.
When CPS understands the nature of psychopathy and abuse, they will be able to better evaluate parents.
CPS and the court are acting in the best interest of the children, not the parents. I doubt the court is happy the father provided confidential documents about his children to the news media.