I know you're already getting a torrent of anecdotes right now, but I really think it's important not to sweep this under the rug. I have a co-worker who lives in a nice suburban neighborhood and had CPS called on him because his child was allowed to play in the park across the street from his house unsupervised. His child was interviewed by a social worker, his house was searched for drugs, the contents of his fridge were evaluated, and he had to go to court. In my state, it only takes one person to call, and once that person calls, an investigation is legally required, regardless of how spurious.