No matter how clouded a mind is by sin, there is no obstacle to divine grace.
Look at St. Paul, St. Augustine, etc.
Among these children there could be kids who are confused by their parents' slack behavior and who want to learn the right way to believe and to live.
Their parents should be punished and shamed, but it is depressing that the only way to do this is by expelling their kids from CCD.
I'm not saying father is wrong - I'm saying that this is a difficult situation and a tough call.
It's also useful to remember that newspaper stories usually have an 'agenda.'
Finally, the parish priest cannot disclose ALL the information he may have regarding the parents....