i would like to point out that nicotine solution is more toxic than cyanide. As far as i can see nicotine as a drug is used the same way arsenic was in victorian times.That is in miniscule amounts as overdose would lead to poisoning. literally a poisonous high, maybe like fly agaric?
also alcohol is a poison so the two most abused legal drugs are poisonous in pure form
it just shows what the man at the top thinks when he sees those at the bottom-killem!