Originally Posted by Yakk

Because methadone isn't a perfect replacement.

Take people who have only 1 thing in their lives that makes them feel good - heroin. Remove the incentive to steal / live in the underworld in order to get heroin. Develop other things that make them feel good. Offer methadone treatment when/if they want to get off heroin.

It's an experiment. Maybe it won't work, maybe it will. But it's worth a shot.

Nyuk.