Does It Really Require Much Discernment to Separate the Authentic from the Counterfeit?

Even a casual watcher of American Idol Season 10 understands that there is a qualitative difference between a gifted professional singer and a hack. My definition of a hack being someone who seeks to convince others, along with themselves perhaps, that they are gifted at something which they are not. This lack of talent in that arena does not stop them from exercising it and even feeling good about their effort.