I myself am one of them, but probably not in the sense that you had in mind. I drank alcohol while preparing for exams at the university, this inspired me to deeper analysis of the literature and helped me personally.
Adequately, if a person starts to use substances with knowledge of the matter, understanding of the purpose and exact dosage.
Psychoactive substances require high self-discipline and responsibility. Not slipping into addiction and not turning drugs into an end in itself is a difficult task. Especially if the use is related to necessity: exams, work.
To the answer above: by itself, coke does not destroy anyone's life, people do a great job on their own.
The fact that certain drugs (cocaine nr) act one-on-one like the genius pill from the movie "Fields of Darkness". But also the fact that coke destroys human lives with a probability of close to 100%. Therefore, I treat such people accordingly, like burning matches that became a torch for a couple of seconds so that they would then suddenly go out ..