"By the way, what have you done that’s so great? Do you create anything, or just criticize others work and belittle their motivations?" I immediately thought a

"By the way, what have you done that’s so great? Do you create anything, or just criticize others work and belittle their motivations?" I immediately thought about the movie Thank you for smoking where this guy said that the best way to win a discussion was to prove the opponent wrong. You didn't have to be right, as long as he was wrong.