That's unfortunate because, whatever other factors may exist, it's undeniable that heavy addiction to certain drugs like alcohol or heroin can be completely deb

That's unfortunate because, whatever other factors may exist, it's undeniable that heavy addiction to certain drugs like alcohol or heroin can be completely debilitating in it's own right. But it's also true that as long as society has outcasts, it will also have people who turn to desperate, normally-undesirable ends. No matter what drugs are available, or where.