Sunday in the park

Author is telling us a story about a couple in front of two choice, one is protect their own child, for their own benefit, the other one is violence, someone rood but stronger. The man chosen to walk away, but he didn’t feel happy about that. The child is crying all the time which drive him crazy. Then they move the fight to themselves.
Author is telling us through the story to make people think about in front of this kind of decision, what’s your reflection, you will stay in peace and walk away, or you will fight back just because the situation is unfair or wrong???