How soon you forget 9/11.
No, we remember 9-11 quite well. What did he do to qualify him as a "Hero" over all those others who were actual heroes, such as the NYPD and NYFD? Specific act, or for overseeing the city as mayor during a crisis? That was his job.
Hero: A person noted for feats of courage or nobility of purpose, especially one who has risked or sacrificed his or her life.