My apologies, but "Over the course of nine days, participants were cajoled, shouted at, and emotionally battered, until they agreed they had finally "got it" - a state akin to a religious conversion. Participants were instructed not to wear watches, not to talk unless permitted by the trainer, not to leave their seats, not to eat, and not to go to the bathroom except during breaks separated by many hours. [4]" sounds scary to me.

Would you be willing to explain it so I understand it better?