In writing, different organizational structures are used for different purposes The order of Importance organizational structure is employed when the writer wishes to first capture the interest of the reader. He then lists the most important point first, so as to capture the reader and then proceeds to list the other points in their order of importance.
This is the structure Nikki has to use in writing her speech so as to capture her audience and so that they do not lose interest in her speech before she is done.
Chaucer utilizes parody in his portrayal of the Pardoner to censure the Church. The Pardoner's sermon against avarice cleverly diverges from his overstated covetousness. Chaucer makes such an unnecessarily ravenous character to attract consideration regarding genuine debasement in the Church and to realize change.