Earlier quoted context omitted.
It's entirely possible that LSD uncovered or accentuated an underlying flaw in your friend's psyche...
I don’t understand this common response at all. If I prescribe penicillin to a patient with a pcn allergy, the fact that I “uncovered an underlying flaw” is irrelevant. Pcn is dangerous to them and should not be prescribed to them. This is true, in one sense or another, of the majority of adverse effects people have from medications given in therapeutic ranges. It’s basically what having an adverse effect -means-. It…
Psychedelics bring these issues to the forefront, but they don't necessarily cause mental health issues, as the same issues could happen without LSD. I understand what you're trying to express with your example of penicillin, but it's not the same thing.
In my opinion, it would be more accurate to compare psychedelic drugs to activities like meditation and fasting, which also have a risk of anxiety, discomfort, and bringing out dormant mental health issues in some people.