Because if people are conditioned into a set of behaviors most of the people will continue those behaviors. Children are conditioned since birth and into adulthood to behave a certain way and are exposed to certain indoctrination and information, they will not suddenly go against that unless there is a significant disruption.
Because certain people literally run the culture of western countries and this is the downstream symptom.
And?
Because if people are conditioned into a set of behaviors most of the people will continue those behaviors. Children are conditioned since birth and into adulthood to behave a certain way and are exposed to certain indoctrination and information, they will not suddenly go against that unless there is a significant disruption.