The length was perfect. I admitted to being really eager to figure out what the punchline was. I knew this whole thing was a riddle. Wait, why was it called a parable and not a riddle? I guess it had more of a narrative. I appreciate the animation.
It makes little sense. Couldn't he still report him to the police for smuggling? Sure, he can't himself arrest him, but other people can! Of course, it's just meant to be a short, cute little cartoon. It succeeded in that.