This is the sort of unfortunate reason that many people use in these situations. Why should everyone profit if some people are going to squander it? Why should

This is the sort of unfortunate reason that many people use in these situations. Why should everyone profit if some people are going to squander it? Why should I pay into global income to pay for a drug addicts habit? The reason is that he may be able to seek actual psychological and social help for his addiction. And even if he doesn't do that, at least he can afford his drugs without having to kill you for it.