So he knows it's not allowed, still let his kids do it, but feels common sense should have prevailed? As in: "I know it is wrong but I shouldn't get in to trouble for knowingly doing something which is wrong"?
Common sense did prevail, you utter twat. The officer took away the flowers (rightly so) and let you off.
Mother's Day ruined 
Drama queen.
Bet his wife is over the moon that he got their children splashed all over the internet by acting like an entitled twat.