This is a 5 min walk from where i work.
And they have been taught respect from day one.
So one could be the best parent at "parenting" as you called it, a broad verb that I challenge you to define and the kid could still be a little hellion and a leash could help in a crowd.
Description: Couch paw-tatoes! I'm not saying I'm a perfect parent or that I've never thought that a leash would come in handy.