hah, exactly.
and the (lack of a) "returning customer" aspect probably isn't the most lucrative way to make and sell drugs. if youre risking your freedom by engaging in crimes such as production and distribution of drugs, it's at least made better by the fact that when you sell drugs, the general idea is that people will want to continue buying drugs from you. if everyone you supplied to died after their first purchase, i can imagine it wouldn't feel as worthwhile.
it seems to me that the people who deal in manufacturing and distribution of the kinds of drugs mainly used for a dignified death are a very special kind of unicorn. someone willing to put themselves at risk to help others with something that almost all people find to be "evil" and "taboo", even beyond the regular disdain for people who make and sell drugs.