What is the principal message of the first passage

Could someone me with this question?

As you read in this lesson, satire depends on the audience recognizing and agreeing with the satirist’s implicit criticism of his or her target. how effective can satire be in shaping behavior or opinions if the audience is always in on the joke and thus never the target? your answer should be at least 250 words.

Which is a theme in “young goodman brown” ?