On the other hand, although he denounces this environment throughout the song, the narrator concludes, taking leave of the caller and telling him that he must get on his way home, which can be interpreted as an admission of the fact he himself belongs to the middle class, or at least is close to.
On the other hand, although he vociferously condemns this atmosphere throughout the song, the narrator concludes by bidding the caller farewell and instructing him to head back home, which can be interpreted as an implicit recognition of his own middle-class affiliation or proximity thereto.