All of us at some point have watched and loved the film “Dirty Dancing”. The film is legendary for different reasons- the impeccable dance routines, the star-crossed lovers theme, Patrick Swayze and the dialogues, which are quoted, spoofed and now being used for ad campaigns. TD Ameritrade (‘Ameritrade’ for brevity) through its ad company Havas ran an advertisement of a man lifting a piggy bank over the tagline "Nobody puts your old 401(k) in the corner”, clearly spoofing the most…