Earlier quoted context omitted.
the message is that meditation has a dark side and some previous imbalances may land you in deep trouble. people don’t really acknowledge this and put an = between meditation and calm/transcendence. same thing as with certain types of substances. you may have a really good or a really bad experience. at least with meditation there is some work (a lot actually) involved and along the way you get a chance to process so…
I'll be honest. I was left feeling that the author has mental health problems and that this experience happened to trigger it. I'm coloured by past experiences as I've had a very good friend suffer from psychotic episodes that sounds very, very similar to what the author suffered. I think the idea that it was drugs, insomnia, or meditation that caused the problem is a rationalisation - one that my friend made as well…
People damage themselves in all kinds of ways when they are unsuited/poorly trained/ prepared for extreme environments.
You wouldn't expect a grossly overweight person to run 11hrs a day for 10 days. Goenka's practices are extreme, and the 10 day silent retreat isn't suitable for everyone.
This is why there's the questionnaire for Vipassana during enrollment: it's an attempt to recognise someone who's not fit enough (yet) for it. That the author was able to persuade the volunteers, despite his known past, to let him in should not really reflect against them.