I don't blame you at all. ..especially if it goes on for so long. I think having the child ready will at least send the parents a message that you want to get on with your own night.

What about parents who let the children go and reenter the house several times and run away from them several times. The parents then stay in my front hallway saying various things to try and entice their child to come to them.

I tend to get impatient and physically bring the child back to the parent and then I get 'frowny face' from the parents that I am manhandling the child.

Well....sorry but I don't like to watch you try to convince your child for 10 minutes to come back to you