We learn of the enduring power of storytelling - this is 'rags to riches' while 'David and Goliath' is another perennial favourite. There are surprisingly few great stories.
Great stories get people talking; great stories have the power to move. Great stories remind us of our humanity.
What we don't exactly know is what this tells us about the balance of power between broadcast and social media, between manufactured and organic success. Sure, people will comment on the ability of a YouTube video to make her a global viral phenomenon - but don't forget that this would not have been possible without prime time broadcast television.
Sure, she's a homespun amateur talent. But the ITV programme is presided over by Simon Cowell, that master creator or manufactured success. Will she now have a makeover?
The Guardian newspaper has a detailed analysis of the fame factory at work, including comments from Max Clifford. (That's how The Guardian justifies most of its celebrity and entertainment coverage - by taking an analytical view of the phenomenon.)
See also NBC: An Unlikely Star is Born. Don't be too quick to dismiss the so-called mainstream media and their ability to influence public opinion.