Taken as a whole, what do the tales say about the Medieval Ages?

http://www.gradesaver.com/the-canterbury-tales/q-and-a/how-does-chaucer-satirize-the-middle-class-does-he-have-a-specific-complaint-about-them-54153/

In addition to the link above Chaucer was quite harsh over hypocrisy and rampant corruption in the Church at the time.