Lead poisoning, PFAS exposure, asbestos exposure, and other horrific chemicals have set humanity back decades if not over a century at this point, and have fully rotted the minds of the older generations. A lot of the bizarre manifestations of dementia, paranoia, mental illness, aggression, and strange behavior are hallmark signs of lead exposure and the subsequent neural decay.

That and the Western media machine. That has also turned many people into rabid violent degenerates.