It can't be done, but rather than admit to that, Sir Francis and others will resort to name calling and/or making rude and condescending comments towards those with whom they disagree. Just watch.
As a matter of personal safety on the job, use of any intoxicants should have no place at work and should be tested for. If you want to label that "name calling," fine. You are a villain.
The rights of the dopers do not take priority over those of the sane people trying to make a living or the little kiddies at school.
The dopers, like the sex perverts, can only perpetuate an ever increasing market to support their filthy habits by molesting the minds and bodies of the young ones.