Stigma Vs. Appeal

We have in our state the Utah Methampheteamine Joint Task Force whose job is to reduce the use of meth across the state. They're using the Montana Meth Project as an example of a successful program that has done well with its own stated goals of:

1. Increase the perceived risks of meth use
2. Decrease the perceived benefits of meth
3. Increase parent-child discussions on meth
4. Increase the social disapproval of meth use

Now for the question of the day. How do we increase the social disapproval of drug abuse in order to reduce the number of new users, while still not stigmatizing existing users so they are more reluctant to come forward for treatment?

I think I've got a pretty good handle on the first three personally, but that fourth one can be tricky. Where's the balance? Can people be made to think it's a vile habit and exert peer pressure to avoid meth without making users more afraid to get the help they need? Do we just sacrifice a few current users in order to scare away those who haven't started yet? Quite a moral conundrum.