American Idol’s Simon Cowell has retaliated against allegations he embarrasses individuals with no singing ability on the programme- maintaining they make fools of themselves without his help.The Brit has been accused of shattering the dreams of hopefuls who try out on the show. But Cowell says, "I don't think I'm humiliating anyone. Possibly they are humiliating themselves. No one is dragged into that audition kicking and screaming."