“What happens when norms break down? When individualism gradually erodes the ties that bind us? What happens when thousands of people collectively cross the line? Nothing, of course. The line simply moves. The crowd, emboldened and empowered, sizes up its next meal. At the temple of mass consumerism, the customer is always right. And in this respect darts is something of a canary in the mineshaft: a salutary and perhaps cautionary tale of what can happen when a sport indulges its audience to the point where it can essentially behave how it pleases”