It's wrong to shove people.
Mary is hurrying down the street to an urgent appointment but a man is walking slowly taking up the way in front of her.
Mary wants to get the man to move out of her way.
Mary asks the man in front of her to let her pass by him.
Mary pushes the man in front of her aside and continues rushing down the street.
The man sees that Mary is in a hurry and lets her pass him as he appreciates her politeness.
The man is insulted by being physically pushed in such a rude manner.