Social workers are encouraged to find problems where none exist, to create caseload and steady work.
Read “Accused” by Michael Farris.
And then of course when there is serious and actual child abuse, they can’t be bothered to investigate or follow up.
(the list of substantiating cases are too numerous to mention)
Very uneven enforcement. If parents act odd, even with jobs, housing, medical etc, they may be required to do a lot “services”, eg therapy, psych eval, parent classes, but if parents act in attractive manners, kids can get returned even without housing jobs, cars, driver licenses, license plates, car seats, parenting classes, drug rehab.........