even in this very thread there is someone that has been in the mental hospitals and seen problems "with their own two eyes", but is unwilling to name names as part of a code to remove any social/legal/professional consequence for themselves or the "crazy" people there
If you live in a big enough city, there should be meetup groups where you could meet some people and have long discussions.
Is your interest only curiosity, or is it medical related? Sorry, on mobile and pressed for time so can't scroll through the thread..