It should have, culturally, but it's such a money-making machine. You have an aspirational TV show were people can dream about being a famous singer, you make money there, keep people watching and voting because there will be a winner, and at the end you have a famous, marketable singer who's guaranteed to sell records and fill arenas. Sadly for the person their fame wears off quickly, but the people around them who made money just move on to the next season.