Putting aside the difficulties of those in need seeing a doctor and affording a prescription... Unfortunately we're at the early stages of understanding nicotin

Putting aside the difficulties of those in need seeing a doctor and affording a prescription... Unfortunately we're at the early stages of understanding nicotines role in brain chemistry. Scizophrenics have been chain smoking since the start. But medicine is only just catching on and understanding why the majority of those with Scizophrenia chain smoke. With this in mind you can look back at all the judgements made on the mentally ill. It's common for people to think "Why are they buying cigarettes if they don't have a home!". Turns out that viewpoint was wrong all along. The ability to think at all is indeed a top priority, perhaps higher than housing or food. It turns out that the crazy person using money they receive to buy smokes wasn't making poor choices after all. They were doing the one thing that gave them a chance at clarity of thought. Understandable. Yet we were judging the way they spent their money the whole time. We were wrong and we should take that lesson and continue calling out overly simplistic viewpoints along the lines of what you said above.