Pleas from a Service Worker, Onlooker

Parents teach you kids manners
Little pests buzzing about,
Bumping into corners and then
Crying their eye out
Hoping Mommy and Daddy
Can perform miracles---
It's in this want
Of instantaneous satisfaction
That indignation festers.
So there's no "Please" and "Thank you"
Just Me, Me, Me
Now, Now, Now
Mine, Mine Mine.
So parents please,
Save yourself some embarrassment,
And practice politeness
With yourselves and your children
So when it comes to model behavior
You'll fit the mold.
Thank you.