Yes, it is. Half of the mental illnesses they talk about existing, overlap several others , they all overlap another mental health issue, so theres no absolutes. The meds can actually trigger worse problems and side effects that healthy people have taken, and ended up killing themselves, or desperately wanting to kill someone else they had never considered such action. These were the ones used as guineas and paid to do it. You can find reports on what these people have to say about these drugs. They are dangerous because the dr cannot tell you how it really reacts to the chemicals in your brain.
I dont think cho was mentally ill at all, I think he was born this way, and in time worshipped his own negative evil thoughts to the point of him killing others and then blaming them for his own evil thoughts and actions.
If we locked up all people that ever had bad thoughts, nobody would be free today. Even his writings were mild compared to horror movies like saw, freddy, etc.....his writings did bring up some social issues like catholic priests molesting boys, a step dad doing it, and the government issues , but who would think someone would take this out on kids that tried to befriend him ? He rejected all forms of attempts at friendship. He never talked to anyone, for YEARS, this antisocial behavior was a sure sign he was thinking something in that head of his, and undoubtedly it wasnt good. This seems to me a simple case of hatred and evil inside of one young man. Mental health patients generally admit they have some issues, and get help for it. He emphatically denied needing help. Maybe he was crazy, cuz usually crazy people dont know they are. Who knows, but I dont think we have to many experts out there who could really tells us, except maybe the mayo clinic dr.s . with a few exceptions I am sure. We do have some good drs out there, that could have helped him, but if he WANTED to do this, I dont see how he could have been stopped. It was well premeditated and planned. To me hes just a murdering evil person, that well deserved the death penalty he gave himself, to bad he didnt do it sooner.