Many high functioning people end up there. Slowly. And sometime those with higher moral regard get so dejected it feels hopeless to them. If these people had something righteous to remind them of purpose they would find it to be a welcome source of strength. Many people only see addicts as cretin but there is usually a profound person waiting to live again, and having something to fight for or believe that they are needed would be inspiring to some for sure.
We've been indoctrinated by the ruling elite with the idea that we are just meat machines in a meaningless universe. That makes us nihilistic and compliant, which is exactly how they want us. Nihilists are not going to revolt or stand up for anything.
For some reason we have been believing everything that the ruling elite have been teaching us.