What are All Stories About?

Many years ago I read somewhere that all stories, without exception, are about the human condition.  The writer stated made it sound like one of those obvious statements that require no explanation, as if any doubting reader must be stupid. It may seem obvious to you, too.  However, I stopped reading and thought about the statement in a critical manner.

First, any bold statement that all members of a class of things (stories) exhibit some property (are about the human condition) is subject to ...