Quote in context:
Traditional drugs policing targets both users and dealers. This poses three main problems. First, low-level dealers are eminently replaceable: arrest two and another two will quickly take their places, with little if any interruption to sales. Second, it tends to promote antagonism between the police and the mostly poor communities where drug markets are found. Arrests can seem random: only one in every 15,000 cocaine transactions, for instance, results in prison time, but those other 14,999 sales are just as illegal as that one. In some neighbourhoods, prison is the norm, or at least common, for young men. Police come to be seen as people who take sons, brothers and fathers away while the neighbourhood remains unchanged. Third, prison as a deterrent does not work. If it did, America would be the safest country on earth.