It's the combination of being hit from all sides... the chemicals in the food, water, and air which shut down critical thinking and fog the kind, turning on and off certain genes with the GMO food, and the subliminals in the computer monitors and news and primitive TV feeds, and the complete control of all institutions resulting in indoctrination and demoralizing. Throw in the fact that we have to slave away on the hamster wheel for 8-10 hours a day, 5 to 6 days a week to even begin to make enough worthless devalued fiat currency to try to make a living, and there's no room left for any critical thought.
The Dark Crystal (youtu.be) comes to mind
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