Sadly, they haven't yet learned what comes out the tail end.
Glad to hear your dad has wised up over the years. ;)
I find it incredible - I thought the guy was too old to learn new skills.
LOL.
Seriously, give your kid a break. And help.
You would not believe the stuff some kids do - But does it matter? Are they not your children?
Hold them accountable, bitch them out, and help them fix it.
Best you can do.