It really bugs me that the first thing you hear from CPS workers is that the home was really clean.
I had three kids and when they were little my home was never "really" clean. There were toys laying around all the time unless it was during the hours they were sleeping. It was more important to me to let them play than to have everything picked up all the time.
Why aren't these workers looking for things in the home that look abnormal? I find it abnormal when the house is pristeen, the kids are sitting nicely on a chair being quiet or overly polite and not fighting about who gets to sit on mom's lap.
CPS seems to look at the veneer and that makes it easy for the abuser to set the perfect stage. The interactions between parent and child should take priority over everything to a trained worker, but this gal seems to have had her head in the sand. JMO